intel/blorp: use correct header guards

Avoid the discouraged use of pragma once and a missing guard for
blorp_genX_exec.h.

Signed-off-by: Emil Velikov <emil.velikov@collabora.com>
Reviewed-by: Chad Versace <chadversary@chromium.org>

src/intel/blorp/blorp.h

@@ -21,7 +21,8 @@
  * IN THE SOFTWARE.
  */
 
-#pragma once
+#ifndef BLORP_H
+#define BLORP_H
 
 #include <stdint.h>
 #include <stdbool.h>
@@ -162,3 +163,5 @@ blorp_gen6_hiz_op(struct blorp_batch *batch,
 #ifdef __cplusplus
 } /* end extern "C" */
 #endif /* __cplusplus */
+
+#endif /* BLORP_H */

src/intel/blorp/blorp_genX_exec.h

@@ -21,6 +21,9 @@
  * IN THE SOFTWARE.
  */
 
+#ifndef BLORP_GENX_EXEC_H
+#define BLORP_GENX_EXEC_H
+
 #include "blorp_priv.h"
 #include "common/gen_device_info.h"
 #include "common/gen_sample_positions.h"
@@ -1223,3 +1226,5 @@ blorp_exec(struct blorp_batch *batch, const struct blorp_params *params)
       prim.InstanceCount = params->num_layers;
    }
 }
+
+#endif /* BLORP_GENX_EXEC_H */

src/intel/blorp/blorp_priv.h

@@ -21,7 +21,8 @@
  * IN THE SOFTWARE.
  */
 
-#pragma once
+#ifndef BLORP_PRIV_H
+#define BLORP_PRIV_H
 
 #include <stdint.h>
 
@@ -314,3 +315,5 @@ brw_blorp_compile_nir_shader(struct blorp_context *blorp, struct nir_shader *nir
 #ifdef __cplusplus
 } /* end extern "C" */
 #endif /* __cplusplus */
+
+#endif /* BLORP_PRIV_H */