svga: Add missing include guards

Signed-off-by: Michał Janiszewski <janisozaur+signed@gmail.com>

Reviewed-by: Brian Paul <brianp@vmware.com>

src/gallium/drivers/svga/include/svga3d_surfacedefs.h

@@ -31,6 +31,9 @@
  *       Surface/format/image helper code.
  */
 
+#ifndef SVGA3D_SURFACEDEFS_H
+#define SVGA3D_SURFACEDEFS_H
+
 #include "svga3d_reg.h"
 
 #define max_t(type, x, y)  ((x) > (y) ? (x) : (y))
@@ -1145,3 +1148,5 @@ svga3dsurface_get_pixel_offset(SVGA3dSurfaceFormat format,
                           x / bw * desc->bytes_per_block);
    return offset;
 }
+
+#endif

src/gallium/winsys/svga/drm/vmw_shader.h

@@ -32,6 +32,7 @@
  */
 
 #ifndef VMW_SHADER_H_
+#define VMW_SHADER_H_
 
 #include "pipe/p_compiler.h"
 #include "util/u_atomic.h"