From: Santiago Vila <sanvila@debian.org>
Subject: Fix return value for main()
Bug-Debian: https://bugs.debian.org/1074896

--- a/Makefile
+++ b/Makefile
@@ -45,7 +45,7 @@
 
 crypt.lib: compile load
 	@echo -n 'Checking for -lcrypt: '
-	@echo 'main() { ; }' >trylib-lcrypt.c
+	@echo 'int main() { ; }' >trylib-lcrypt.c
 	@{ ./compile trylib-lcrypt.c && ./load trylib-lcrypt -lcrypt; } >/dev/null 2>&1 \
 	  && { echo -lcrypt >crypt.lib; echo yes; } \
 	  || { echo -n >crypt.lib; echo no; }