glapi: Alias ClampColor and ClampColorARB.

There's no reason to have separate slots in the dispatch table for
these two functions, since they are synonymous.

Reviewed-by: Brian Paul <brianp@vmware.com>
Reviewed-by: Jordan Justen <jordan.l.justen@intel.com>
Reviewed-by: Ian Romanick <ian.d.romanick@intel.com>

src/mapi/glapi/gen/GL3x.xml

@@ -150,7 +150,7 @@
       <return type="const GLubyte *"/>
   </function>
 
-  <function name="ClampColor" offset="assign">
+  <function name="ClampColor" alias="ClampColorARB">
     <param name="target" type="GLenum"/>
     <param name="clamp" type="GLenum"/>
   </function>

src/mesa/main/api_exec.c

@@ -768,7 +768,6 @@ _mesa_create_exec_table(struct gl_context *ctx)
       SET_ClearBufferfv(exec, _mesa_ClearBufferfv);
       SET_ClearBufferfi(exec, _mesa_ClearBufferfi);
       SET_GetStringi(exec, _mesa_GetStringi);
-      SET_ClampColor(exec, _mesa_ClampColorARB);
    }
 
    /* GL_ARB_instanced_arrays */

src/mesa/main/dlist.c

@@ -10143,7 +10143,6 @@ _mesa_create_save_table(const struct gl_context *ctx)
 
    /* GL_ARB_color_buffer_float */
    SET_ClampColorARB(table, save_ClampColorARB);
-   SET_ClampColor(table, save_ClampColorARB);
 
    /* GL 3.0 */
    SET_ClearBufferiv(table, save_ClearBufferiv);