[Piglit] [PATCH 2/2] shader_runner_gles2: Remove cast warning

[Chad Versace]

Removes the warning:
  shader_runner.c:1078:7: warning: assignment makes pointer from integer
                          without a cast [enabled by default]

CC: Tom Gall <tom.gall at linaro.org>
Signed-off-by: Chad Versace <chad.versace at linux.intel.com>
---
 tests/shaders/shader_runner_gles_workarounds.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tests/shaders/shader_runner_gles_workarounds.h b/tests/shaders/shader_runner_gles_workarounds.h
index 455c9af..2b91f63 100644
--- a/tests/shaders/shader_runner_gles_workarounds.h
+++ b/tests/shaders/shader_runner_gles_workarounds.h
@@ -125,7 +125,7 @@ unsupported_function(const char *name, ...)
 #define glShadeModel(...) 				UNSUPPORTED_FUNCTION(glShadeModel, 0, __VA_ARGS__)
 
 #if defined(PIGLIT_USE_OPENGL_ES2)
-#define glMapBuffer(...) UNSUPPORTED_FUNCTION(glMapBuffer, 0, __VA_ARGS__)
+#define glMapBuffer(...) UNSUPPORTED_FUNCTION(glMapBuffer, NULL, __VA_ARGS__)
 #define glUnmapBuffer(...) UNSUPPORTED_FUNCTION(glUnmapBuffer, 0, __VA_ARGS__)
 #define glUniform1ui(...) UNSUPPORTED_FUNCTION(glUniform1ui, 0, __VA_ARGS__)
 #define glUniform2uiv(...) UNSUPPORTED_FUNCTION(glUniform2uiv, 0, __VA_ARGS__)
-- 
1.8.1