mesa: Assign _mesa_lookup_parameter_index return value to GLint.
diff --git a/src/mesa/shader/prog_parameter.c b/src/mesa/shader/prog_parameter.c
index 2f029b0..f22492e 100644
--- a/src/mesa/shader/prog_parameter.c
+++ b/src/mesa/shader/prog_parameter.c
@@ -500,7 +500,7 @@
_mesa_lookup_parameter_value(const struct gl_program_parameter_list *paramList,
GLsizei nameLen, const char *name)
{
- GLuint i = _mesa_lookup_parameter_index(paramList, nameLen, name);
+ GLint i = _mesa_lookup_parameter_index(paramList, nameLen, name);
if (i < 0)
return NULL;
else