* fix dumb typo

* extern "C" the declaration

This commit was SVN r6189.

src/util/qsort.h

@@ -17,10 +17,18 @@
 #ifndef OMPI_QSORT_H
 #define OMPI_QSORT_H
 
-#ifdef HAV_SYS_TYPES_H
+#ifdef HAVE_SYS_TYPES_H
 #include <sys/types.h> /* for size_t */
 #endif
 
+#if defined(c_plusplus) || defined(__cplusplus)
+extern "C" {
+#endif
+
 void ompi_qsort(void *a, size_t n, size_t es, int (*cmp)(const void *, const void*));
 
+#if defined(c_plusplus) || defined(__cplusplus)
+}
+#endif
+
 #endif