Detect getopt_long correctly.

Fix gcc'ism.

1 files changed, 1 insertions, 1 deletions

diff --git a/configure b/configure
index a258ab34..d4149dfc 100755
--- a/configure
+++ b/configure
@@ -2740,7 +2740,7 @@ EOF
 
 
 
-for ac_func in mmap strerror strtoul mkstemp
+for ac_func in mmap strerror strtoul mkstemp getopt_long
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
 echo "configure:2747: checking for $ac_func" >&5