Include header only if needed

This fixes compilation on WinCE, where signal.h is missing

diff --git a/src/extras/libc.c b/src/extras/libc.c
index 60c7139abfca8695a6635397cf6457a5463a11cd..ada9f6e2ed1b717e3009b9e0db50ca55e141d33d 100644 (file)
--- a/src/extras/libc.c
+++ b/src/extras/libc.c
@@ -47,9 +47,8 @@
 #   include <dirent.h>
 #endif
 
-#include <signal.h>
-
 #ifdef HAVE_FORK
+#   include <signal.h>
 #   include <sys/time.h>
 #   include <unistd.h>
 #   include <errno.h>