patch 7.4.1218
Problem:    Missing change in configure.  More changes for function style.
Solution:   Avoid the typos.
diff --git a/src/configure.in b/src/configure.in
index ffa0b2d..08ba562 100644
--- a/src/configure.in
+++ b/src/configure.in
@@ -2994,7 +2994,7 @@
 		AC_MSG_RESULT(no))
 fi
 
-AC_CHECK_HEADERS(stdarg.h stdint.h stdlib.h string.h \
+AC_CHECK_HEADERS(stdint.h stdlib.h string.h \
 	sys/select.h sys/utsname.h termcap.h fcntl.h \
 	sgtty.h sys/ioctl.h sys/time.h sys/types.h \
 	termio.h iconv.h inttypes.h langinfo.h math.h \