sdlscavenger, bump, fix reference to libSDL, enable x86_64 (#4067)

games-arcade/sdlscavenger/patches/sdlscavenger-145.4.patchset

@@ -0,0 +1,47 @@
+From d2b544b9d37c09475630d7a1001b8aec21503e85 Mon Sep 17 00:00:00 2001
+From: Adrien Destugues <pulkomandy@pulkomandy.tk>
+Date: Sun, 28 Jul 2019 08:18:28 +0200
+Subject: gcc2 and main directory fixes.
+
+
+diff --git a/scav.c b/scav.c
+index f736d89..8c0a17b 100644
+--- a/scav.c
++++ b/scav.c
+@@ -4,6 +4,8 @@
+ #define VERSION "SDL Scavenger version 1.4.5.4 (1/5/2015)"
+ 
+ #include "scav.h"
++#include <libgen.h>
++#include <unistd.h>
+ 
+ char demolevel0[]={
+ 0x04,0x44,0x44,0x07,0x00,0x06,0x60,0x00,0x70,0x44,0x44,0x40,
+@@ -1704,6 +1706,8 @@ int main (int argc, char **argv)
+    strcpy(rcname,RCNAME);
+    strcpy(LevelsName,LEVELSNAME); /* Normally use default name */
+ 
++   chdir(dirname(argv[0]));
++
+ #if defined(__WIN32__) || defined(WIN32)
+    /* Crude command line options for windows (no getopt function) */
+    if (argc != 1)  /* command line option used */
+@@ -1758,7 +1762,6 @@ int main (int argc, char **argv)
+    while (1) 
+    {
+        int option_index = 0;
+-       opterr = 0;
+        static struct option long_options[] = {
+            {"window", 0, 0, 'w'},
+            {"help", 0, 0, 'h'},
+@@ -1770,6 +1773,7 @@ int main (int argc, char **argv)
+ 					 {"quiet", 0, 0, 'q'},
+            {0, 0, 0, 0}
+        };
++       opterr = 0;
+ 
+        c = getopt_long (argc, argv, "hvwsqc:l:L:",
+                 long_options, &option_index);
+-- 
+2.21.0
+