libebml: move some operator code in the .cpp files (MSVC has issues in DLLs)

+ libmatroska ChangeLog

git-svn-id: https://matroska.svn.sourceforge.net/svnroot/matroska/trunk/libebml@347 a6f86f6d-0131-4f8e-9e7b-e335508773d5

src/EbmlSInteger.cpp

@@ -28,7 +28,7 @@
 
 /*!
 	\file
-	\version \$Id: EbmlSInteger.cpp 1079 2005-03-03 13:18:14Z robux4 $
+	\version \$Id$
 	\author Steve Lhomme     <robux4 @ users.sf.net>
 	\author Moritz Bunkus <moritz @ bunkus.org>
 */
@@ -55,6 +55,11 @@ EbmlSInteger::EbmlSInteger(const EbmlSInteger & ElementToClone)
 {
 }
 
+EbmlSInteger::operator int8() {return  int8(Value);}
+EbmlSInteger::operator int16() {return int16(Value);}
+EbmlSInteger::operator int32() {return int32(Value);}
+EbmlSInteger::operator int64() {return Value;}
+
 /*!
 	\todo handle exception on errors
 */