From Tom Jolly, removing trailing comma for last entries in enums to fix

IRIX compile warnings.

include/osg/ArgumentParser

@@ -38,7 +38,7 @@ class OSG_EXPORT ArgumentParser
                 DOUBLE_PARAMETER,
                 INT_PARAMETER,
                 UNSIGNED_INT_PARAMETER,
-                STRING_PARAMETER,
+                STRING_PARAMETER
             };
         
             union ValueUnion

include/osg/PolygonMode

@@ -66,7 +66,7 @@ class OSG_EXPORT PolygonMode : public StateAttribute
         enum Face {
             FRONT_AND_BACK,
             FRONT,
-            BACK,
+            BACK
         };
     
         void setMode(Face face,Mode mode);

include/osg/Uniform

@@ -59,7 +59,7 @@ class OSG_EXPORT Uniform : public Object
             SAMPLER_CUBE = GL_SAMPLER_CUBE,
             SAMPLER_1D_SHADOW = GL_SAMPLER_1D_SHADOW,
             SAMPLER_2D_SHADOW = GL_SAMPLER_2D_SHADOW,
-            UNDEFINED = -1,
+            UNDEFINED = -1
         };
 
     public: