gbl-ctors.h: Add header guard.

2009-06-07  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>

	* gbl-ctors.h: Add header guard.

From-SVN: r148262

gcc/ChangeLog

 2009-06-07  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
 
+	* gbl-ctors.h: Add header guard.
+
+2009-06-07  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
+
 	* tree-flow.h (make_value_handle, set_value_handle, sort_vuses,
 	sort_vuses_heap, vn_lookup_or_add, vn_lookup_or_add_with_stmt,
 	vn_lookup_or_add_with_vuses, vn_add, vn_add_with_vuses,

gcc/gbl-ctors.h

@@ -35,6 +35,9 @@ see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
 	Note that this file should only be compiled with GCC.
 */
 
+#ifndef GCC_GBL_CTORS_H
+#define GCC_GBL_CTORS_H
+
 /*  Declare a pointer to void function type.  */
 
 typedef void (*func_ptr) (void);
@@ -81,3 +84,4 @@ do {									\
 } while (0)
 #endif
 
+#endif /* GCC_GBL_CTORS_H */