corrected stdbool.h inclusion to allow Oracle C++ compilers to work with OMPI

This commit was SVN r23998.

opal/mca/event/libevent207/libevent/include/event2/event.h

@@ -45,7 +45,9 @@ extern "C" {
 #include <sys/time.h>
 #endif
 #ifndef WIN32
-#include <stdbool.h>
+#    if !(defined(c_plusplus) || defined(__cplusplus))
+#        include <stdbool.h>
+#    endif
 #endif
 
 #include <stdio.h>

opal/mca/event/libevent207/libevent207.h

@@ -42,9 +42,6 @@
 #include <string.h>
 #include <assert.h>
 #include <time.h>
-#ifndef WIN32
-#include <stdbool.h>
-#endif
 
 #include "opal/class/opal_object.h"
 #include "opal/threads/mutex.h"