build: Remove use of the obsolete AC_TYPE_SIGNAL macro

C89 compilers use void return type for signal handler functions.

1 files changed, 1 insertions, 1 deletions

diff --git a/src/main.c b/src/main.c
index c5d080f..8f2c185 100644
--- a/src/main.c
+++ b/src/main.c
@@ -51,7 +51,7 @@ unsigned int processed_config_file = FALSE;     /* boolean */
 /*
  * Handle a signal
  */
-static RETSIGTYPE
+static void
 takesig (int sig)
 {
         pid_t pid;