use math.h for ceilf

1 files changed, 1 insertions, 1 deletions

diff --git a/x.c b/x.c
index 537322b..d43a529 100644
--- a/x.c
+++ b/x.c
@@ -1,5 +1,6 @@
 /* See LICENSE for license details. */
 #include <errno.h>
+#include <math.h>
 #include <limits.h>
 #include <locale.h>
 #include <signal.h>
@@ -901,7 +902,6 @@ xloadfonts(char *fontstr, double fontsize)
 {
         FcPattern *pattern;
         double fontval;
-        float ceilf(float);
 
         if (fontstr[0] == '-') {
                 pattern = XftXlfdParse(fontstr, False, False);