Fix dumb build errors.
I always build with -DGLX_USE_TLS, so I never hit these paths. glapi.h is
required in some places because _glapi_Dispatch is declared there, but
_glapi_tls_Dispatch is declared in glthread.h.
diff --git a/src/mesa/glapi/glapi.c b/src/mesa/glapi/glapi.c
index be5a7fe..d1ccc5f 100644
--- a/src/mesa/glapi/glapi.c
+++ b/src/mesa/glapi/glapi.c
@@ -433,7 +433,7 @@
#if defined(DISPATCH_FUNCTION_SIZE) && defined(GLX_INDIRECT_RENDERING)
return (f->Address == NULL)
? (_glapi_proc) (gl_dispatch_functions_start
- + (DISPATCH_FUNCTION_SIZE * f->Offset));
+ + (DISPATCH_FUNCTION_SIZE * f->Offset))
: f->Address;
#elif defined(DISPATCH_FUNCTION_SIZE)
return (_glapi_proc) (gl_dispatch_functions_start