Expose suffixed versions of VertexAttribDivisor

BUG=chromium:854817

Change-Id: Icd81848fbbf3691eca46c9582b3c053ba1b00353
Reviewed-on: https://swiftshader-review.googlesource.com/19528
Reviewed-by: Nicolas Capens <nicolascapens@google.com>
Tested-by: Adrienne Walker <enne@chromium.org>
diff --git a/src/OpenGL/libGLESv2/libGLESv2.cpp b/src/OpenGL/libGLESv2/libGLESv2.cpp
index 0bf98be..e48d1fd 100644
--- a/src/OpenGL/libGLESv2/libGLESv2.cpp
+++ b/src/OpenGL/libGLESv2/libGLESv2.cpp
@@ -7133,6 +7133,8 @@
 		FUNCTION(glVertexAttrib4f),
 		FUNCTION(glVertexAttrib4fv),
 		FUNCTION(glVertexAttribDivisor),
+		FUNCTION(glVertexAttribDivisorANGLE),
+		FUNCTION(glVertexAttribDivisorEXT),
 		FUNCTION(glVertexAttribI4i),
 		FUNCTION(glVertexAttribI4iv),
 		FUNCTION(glVertexAttribI4ui),