emacs-27 add0610: Fix implicit declaration of getenv and atol

[Andreas Schwab]

branch: emacs-27
commit add0610ec9327c15ee933f571731401212328810
Author: Andreas Schwab <address@hidden>
Commit: Andreas Schwab <address@hidden>

    Fix implicit declaration of getenv and atol
    
    * src/gtkutil.c: Include <stdlib.h>.
---
 src/gtkutil.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/gtkutil.c b/src/gtkutil.c
index 6308c38..5e7cf3d 100644
--- a/src/gtkutil.c
+++ b/src/gtkutil.c
@@ -22,6 +22,7 @@ along with GNU Emacs.  If not, see 
<https://www.gnu.org/licenses/>.  */
 #ifdef USE_GTK
 #include <float.h>
 #include <stdio.h>
+#include <stdlib.h>
 
 #include <c-ctype.h>