Fix implicit int error with ports-gcc since int is missing for main().

OK phessler@

games/maelstrom/Makefile

@@ -2,7 +2,7 @@ COMMENT =		asteroid-like game
 
 DISTNAME =		Maelstrom-3.0.6
 PKGNAME = 		${DISTNAME:L}
-REVISION =		4
+REVISION =		5
 CATEGORIES =		games x11
 HOMEPAGE =		http://www.devolution.com/~slouken/Maelstrom/
 SITES =			${HOMEPAGE}/src/

games/maelstrom/patches/patch-Maelstrom-netd_c

@@ -14,3 +14,12 @@ Index: Maelstrom-netd.c
  #include <unistd.h>
  
  /* We wait in a loop for players to connect and tell us how many people
+@@ -181,7 +183,7 @@ void I_Crashed(int sig)
+ 	exit(sig);
+ }
+ 
+-main(int argc, char *argv[])
++int main(int argc, char *argv[])
+ {
+ 	int netfd, i, slot;
+ 	struct sockaddr_in serv_addr;