mesa/main: add missing include in glformats.h
This header uses uint32_t without including stdint.h. This worked fine by accident until a new c-source started including it.
Fixes: 1bf539b3 ("mesa: Clamp some depth values in glClearBufferfv")
This header uses uint32_t without including stdint.h. This worked fine by accident until a new c-source started including it.
Fixes: 1bf539b3 ("mesa: Clamp some depth values in glClearBufferfv")