mesa: Add missing include guards

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

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

src/mesa/main/texcompress_bptc_tmp.h

@@ -25,6 +25,9 @@
  * Included by texcompress_bptc and gallium to define BPTC decoding routines.
  */
 
+#ifndef TEXCOMPRESS_BPTC_TMP_H
+#define TEXCOMPRESS_BPTC_TMP_H
+
 #include "util/format_srgb.h"
 #include "util/half_float.h"
 #include "macros.h"
@@ -1741,3 +1744,5 @@ compress_rgb_float(int width, int height,
       dst += dst_row_diff;
    }
 }
+
+#endif

src/mesa/main/texcompress_s3tc_tmp.h

@@ -22,6 +22,9 @@
  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  */
 
+#ifndef TEXCOMPRESS_S3TC_TMP_H
+#define TEXCOMPRESS_S3TC_TMP_H
+
 #ifdef __APPLE__
 #include <OpenGL/gl.h>
 #else
@@ -987,3 +990,5 @@ static void tx_compress_dxtn(GLint srccomps, GLint width, GLint height, const GL
       return;
    }
 }
+
+#endif

src/mesa/state_tracker/st_glsl_to_tgsi.h

@@ -22,6 +22,9 @@
  * DEALINGS IN THE SOFTWARE.
  */
 
+#ifndef ST_GLSL_TO_TGSI_H
+#define ST_GLSL_TO_TGSI_H
+
 #include "pipe/p_defines.h"
 #include "pipe/p_shader_tokens.h"
 #include "main/mtypes.h"
@@ -73,3 +76,5 @@ _mesa_sysval_to_semantic(unsigned sysval);
 #ifdef __cplusplus
 }
 #endif
+
+#endif

src/mesa/state_tracker/st_shader_cache.h

@@ -21,6 +21,9 @@
  * DEALINGS IN THE SOFTWARE.
  */
 
+#ifndef ST_SHADER_CACHE_H
+#define ST_SHADER_CACHE_H
+
 #include "st_context.h"
 #include "compiler/blob.h"
 #include "main/mtypes.h"
@@ -73,3 +76,5 @@ st_store_ir_in_disk_cache(struct st_context *st, struct gl_program *prog,
 #ifdef __cplusplus
 }
 #endif
+
+#endif