configure: enable C99

diff --git a/cde/configure.ac b/cde/configure.ac
index b5fb19a4a79552d9cb344457d5677293b2e1bf3b..a40350e9e4248bad36124744ee94710e5a53f685 100644 (file)
--- a/cde/configure.ac
+++ b/cde/configure.ac
@@ -223,7 +223,7 @@ AC_SYS_POSIX_TERMIOS
 
 AX_PTHREAD
 
-dnl AC_PROG_CC_C99, someday.
+AC_PROG_CC_C99
 
 AC_PATH_X
 AC_PATH_XTRA