os: Also add the aligned memory prototypes to the embedded section.

src/gallium/auxiliary/os/os_memory.h

@@ -57,6 +57,12 @@ os_free(void *ptr);
 void *
 os_realloc(void *ptr, size_t old_size, size_t new_size);
 
+void *
+os_malloc_aligned(size_t size, uint alignment);
+
+void
+os_free_aligned(void *ptr);
+
 #ifdef __cplusplus
 }
 #endif