radv: make radv_resolve_entrypoint static

Used only within the generated source file.

Fixes: 12301c5418 ("radv: drop the RADV_CALL macro.")
Signed-off-by: Emil Velikov <emil.l.velikov@gmail.com>
Reviewed-by: Eduardo Lima Mitev <elima@igalia.com>

src/amd/vulkan/radv_entrypoints_gen.py

@@ -203,7 +203,7 @@ for layer in [ "radv" ]:
 
 print """
 
-void * __attribute__ ((noinline))
+static void * __attribute__ ((noinline))
 radv_resolve_entrypoint(uint32_t index)
 {
    return radv_layer.entrypoints[index];