Properly disable sse2 source on non-x86.

BUG=
TEST=build on Linux.

Review URL: https://webrtc-codereview.appspot.com/387008

git-svn-id: http://webrtc.googlecode.com/svn/trunk@1684 4adac7df-926f-26a2-2b94-8c16560cd09d

src/modules/audio_processing/aec/aec.gypi

@@ -46,6 +46,10 @@
         }],
       ],
     },
+  ],
+  'conditions': [
+    ['target_arch=="ia32" or target_arch=="x64"', {
+      'targets': [
         {
           'target_name': 'aec_sse2',
           'type': '<(library)',
@@ -65,4 +69,6 @@
           ],
         },
       ],
+    }],
+  ],
 }

src/modules/video_processing/main/source/video_processing.gypi

@@ -56,6 +56,10 @@
         }],
       ],
     },
+  ],
+  'conditions': [
+    ['target_arch=="ia32" or target_arch=="x64"', {
+      'targets': [
         {
           'target_name': 'video_processing_sse2',
           'type': '<(library)',
@@ -78,5 +82,7 @@
           ],
         },
       ],
+    }],
+  ],
 }