configure: drop redundant AC_HEADER_STDC

Signed-off-by: Bartosz Golaszewski <bartekgola@gmail.com>

diff --git a/configure.ac b/configure.ac
index 745c97d10c466f7505cb728288932f2e9626021e..dbf76a7a051d9fe39a75fe5578d2248009ab3128 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -53,8 +53,6 @@ AC_CHECK_HEADERS([dirent.h], [], [AC_MSG_ERROR([dirent.h header not found])])
 AC_CHECK_HEADERS([linux/gpio.h], [],
                [AC_MSG_ERROR([linux/gpio.h header not found])])
 
-AC_HEADER_STDC
-
 AC_CONFIG_FILES([Makefile])
 
 CFLAGS="$CFLAGS -Wall"