Fix strtoull() probe to run under clang++.

Include the appropriate header and get rid of slightly
incorrect prototype.  Change function return type to void
since we don't explicitly return a useful value.

1 files changed, 2 insertions, 2 deletions

diff --git a/Configure b/Configure
index f01786eee2..9f959c835e 100755
--- a/Configure
+++ b/Configure
@@ -19240,14 +19240,14 @@ case "$d_longlong-$d_strtoull" in
 Checking whether your strtoull() works okay...
 EOM
 	$cat >try.c <<'EOCP'
+#include <stdlib.h>
 #include <errno.h>
 #ifdef __hpux
 #define strtoull __strtoull
 #endif
 #include <stdio.h>
-extern unsigned long long int strtoull(char *s, char **, int);
 static int bad = 0;
-int check(char *s, long long eull, int een) {
+void check(const char *s, long long eull, int een) {
 	long long gull;
 	errno = 0;
 	gull = strtoull(s, 0, 10);