xgalaga: Fix implicit int errors

Closes: https://trac.macports.org/ticket/71057

games/xgalaga/Portfile

@@ -5,22 +5,23 @@ PortSystem              1.0
 name                    xgalaga
 version                 2.1.1.0
 revision                2
+checksums               rmd160  b55a97187b61ffe7c072ecd784cf9a16fe568c26 \
+                        sha256  adcfbfd04876f5197c60b37af0ad89a629e553d6e09314a4b3b5c70f6c634f9b \
+                        size    331621
+
 categories              games x11
 license                 GPL-2
-platforms               darwin
 maintainers             nomaintainer
 description             xgalaga is a rework of the Galaga shooting game.
 long_description        ${description}
 
-homepage                http://sourceforge.net/projects/xgalaga/
+homepage                https://sourceforge.net/projects/xgalaga/
 master_sites            sourceforge
-checksums               md5     f37c3377b245d2d53b33eb489966bf28 \
-                        sha1    ef40ad833d2434b0643d4c00202bd75ec14b94ac \
-                        rmd160  b55a97187b61ffe7c072ecd784cf9a16fe568c26
 
 patchfiles              patch-Makefile.in.diff \
                         patch-main.c.diff \
-                        implicit.patch
+                        implicit.patch \
+                        implicit-int.patch
 
 depends_lib             port:xorg-libX11 \
                         port:xorg-libXext \

games/xgalaga/files/implicit-int.patch

@@ -0,0 +1,29 @@
+Fix:
+
+error: type specifier missing, defaults to 'int'; ISO C99 and later do not support implicit int [-Wimplicit-int]
+
+https://sourceforge.net/p/xgalaga/bugs/5/
+--- linux-joystick.c.orig	2008-03-05 15:58:16.000000000 -0600
++++ linux-joystick.c	2024-10-11 11:46:36.000000000 -0500
+@@ -81,5 +81,6 @@
+   }
+ }
+ #else
++int
+ js_device=0;
+ #endif /* __linux__ */
+--- title.c.orig	2008-03-05 15:58:16.000000000 -0600
++++ title.c	2024-10-11 11:43:07.000000000 -0500
+@@ -17,9 +17,9 @@
+ #include "proto.h"
+ 
+ /* for scrolling credits */
+-const LINESIZE= 70;
+-const VISIBLELINES=7;
+-const SPEEDFACTOR=5;
++const int LINESIZE= 70;
++const int VISIBLELINES=7;
++const int SPEEDFACTOR=5;
+ char *gchLBuf;
+ int giCreditLines=0, giActCreditLine=0;
+ 

games/xgalaga/files/implicit.patch

@@ -1,8 +1,9 @@
 Fix:
 
 error: implicit declaration of function 'read' is invalid in C99 [-Werror,-Wimplicit-function-declaration]
-
 error: implicit declaration of function 'close' is invalid in C99 [-Werror,-Wimplicit-function-declaration]
+
+https://sourceforge.net/p/xgalaga/bugs/5/
 --- title.c.orig	2008-03-05 15:58:16.000000000 -0600
 +++ title.c	2020-11-15 10:45:46.000000000 -0600
 @@ -5,6 +5,9 @@