Fixed mac warnings

gfx/src/nsIImageObserver.h

@@ -48,7 +48,7 @@ typedef enum {
                                       // observer related cleanup.
   nsImageNotification_kAborted,       // Image decode was aborted by either
                                       // the network library or Interrupt().
-  nsImageNotification_kInternalImage, // Internal image icon.
+  nsImageNotification_kInternalImage // Internal image icon.
 } nsImageNotification;
 
 /// Image group notifications

layout/html/table/src/nsTableFrame.cpp

@@ -170,7 +170,7 @@ public:
     eColWidthType_Auto         = 0,      // width based on contents
     eColWidthType_Percent      = 1,      // (float) 1.0 == 100%
     eColWidthType_Coord        = 2,      // (nscoord) value is twips
-    eColWidthType_Proportional = 3,      // (int) value has proportional meaning
+    eColWidthType_Proportional = 3       // (int) value has proportional meaning
   };
 
 private:

layout/tables/nsTableFrame.cpp

@@ -170,7 +170,7 @@ public:
     eColWidthType_Auto         = 0,      // width based on contents
     eColWidthType_Percent      = 1,      // (float) 1.0 == 100%
     eColWidthType_Coord        = 2,      // (nscoord) value is twips
-    eColWidthType_Proportional = 3,      // (int) value has proportional meaning
+    eColWidthType_Proportional = 3       // (int) value has proportional meaning
   };
 
 private: