Enable whole program optimization for both decoder and encoder MSVC projects

Enable it on the project level, instead of having to set separate options
for both compiler and linker.

The processing project actually had the options set in this way originally
as well.

codec/build/win32/dec/WelsDecCore.vcproj

@@ -30,6 +30,7 @@
 			UseOfMFC="0"
 			ATLMinimizesCRunTimeLibraryUsage="false"
 			CharacterSet="2"
+			WholeProgramOptimization="1"
 			>
 			<Tool
 				Name="VCPreBuildEventTool"
@@ -106,6 +107,7 @@
 			UseOfMFC="0"
 			ATLMinimizesCRunTimeLibraryUsage="false"
 			CharacterSet="2"
+			WholeProgramOptimization="1"
 			>
 			<Tool
 				Name="VCPreBuildEventTool"

codec/build/win32/dec/WelsDecPlus.vcproj

@@ -27,6 +27,7 @@
 			UseOfMFC="0"
 			ATLMinimizesCRunTimeLibraryUsage="false"
 			CharacterSet="2"
+			WholeProgramOptimization="1"
 			>
 			<Tool
 				Name="VCPreBuildEventTool"
@@ -123,6 +124,7 @@
 			UseOfMFC="0"
 			ATLMinimizesCRunTimeLibraryUsage="false"
 			CharacterSet="2"
+			WholeProgramOptimization="1"
 			>
 			<Tool
 				Name="VCPreBuildEventTool"

codec/build/win32/enc/WelsEncCore.vcproj

@@ -183,6 +183,7 @@
 			UseOfMFC="0"
 			ATLMinimizesCRunTimeLibraryUsage="false"
 			CharacterSet="2"
+			WholeProgramOptimization="1"
 			>
 			<Tool
 				Name="VCPreBuildEventTool"
@@ -207,7 +208,6 @@
 				Optimization="3"
 				InlineFunctionExpansion="2"
 				FavorSizeOrSpeed="1"
-				WholeProgramOptimization="true"
 				AdditionalIncludeDirectories="..\..\..\common\inc;..\..\..\encoder\core\inc,..\..\..\api\svc;..\..\..\processing\interface"
 				PreprocessorDefinitions="NDEBUG;_LIB;X86_ASM"
 				StringPooling="true"
@@ -262,6 +262,7 @@
 			UseOfMFC="0"
 			ATLMinimizesCRunTimeLibraryUsage="false"
 			CharacterSet="2"
+			WholeProgramOptimization="1"
 			>
 			<Tool
 				Name="VCPreBuildEventTool"
@@ -287,7 +288,6 @@
 				Optimization="3"
 				InlineFunctionExpansion="2"
 				FavorSizeOrSpeed="1"
-				WholeProgramOptimization="true"
 				AdditionalIncludeDirectories="..\..\..\common\inc;..\..\..\encoder\core\inc,..\..\..\api\svc;..\..\..\processing\interface"
 				PreprocessorDefinitions="NDEBUG;_LIB;X86_ASM"
 				StringPooling="true"

codec/build/win32/enc/WelsEncPlus.vcproj

@@ -217,6 +217,7 @@
 			UseOfMFC="0"
 			ATLMinimizesCRunTimeLibraryUsage="false"
 			CharacterSet="2"
+			WholeProgramOptimization="1"
 			>
 			<Tool
 				Name="VCPreBuildEventTool"
@@ -244,7 +245,6 @@
 				InlineFunctionExpansion="2"
 				FavorSizeOrSpeed="1"
 				EnableFiberSafeOptimizations="true"
-				WholeProgramOptimization="true"
 				AdditionalIncludeDirectories="..\..\..\encoder\plus\inc;..\..\..\encoder\core\inc;..\..\..\api\svc;..\..\..\common\inc;..\..\..\processing\interface"
 				PreprocessorDefinitions="NDEBUG;_USRDLL;X86_ASM"
 				StringPooling="true"
@@ -317,6 +317,7 @@
 			UseOfMFC="0"
 			ATLMinimizesCRunTimeLibraryUsage="false"
 			CharacterSet="2"
+			WholeProgramOptimization="1"
 			>
 			<Tool
 				Name="VCPreBuildEventTool"
@@ -344,7 +345,6 @@
 				InlineFunctionExpansion="2"
 				FavorSizeOrSpeed="1"
 				EnableFiberSafeOptimizations="true"
-				WholeProgramOptimization="true"
 				AdditionalIncludeDirectories="..\..\..\encoder\plus\inc;..\..\..\encoder\core\inc;..\..\..\api\svc;..\..\..\common\inc;..\..\..\processing\interface"
 				PreprocessorDefinitions="NDEBUG;_USRDLL;X86_ASM"
 				StringPooling="true"

codec/processing/build/win32/WelsVP.vcproj

@@ -28,7 +28,6 @@
 			IntermediateDirectory=".\..\..\..\obj\vp\Debug"
 			ConfigurationType="2"
 			CharacterSet="1"
-			WholeProgramOptimization="0"
 			>
 			<Tool
 				Name="VCPreBuildEventTool"
@@ -112,7 +111,6 @@
 			IntermediateDirectory=".\..\..\..\obj\vp\Debug"
 			ConfigurationType="2"
 			CharacterSet="1"
-			WholeProgramOptimization="0"
 			>
 			<Tool
 				Name="VCPreBuildEventTool"