Fixing memory access violation issues

AppRun.c.patch

@@ -1,23 +1,14 @@
 --- a/AppRun.c
 +++ b/AppRun.c
-@@ -44,6 +44,8 @@
- 
- #define LINE_SIZE 255
- 
-+char *checkrt(char *usr_in_appdir);
-+
- int filter(const struct dirent *dir) {
-     char *p = (char*) &dir->d_name;
-     p = strrchr(p, '.');
-@@ -156,6 +158,7 @@
+@@ -156,6 +156,7 @@
      char *old_env;
      const int length = 2047;
      char new_env[8][length+1];
-+    char *optional = checkrt(usr_in_appdir);
++    checkrt(usr_in_appdir);
  
      /* https://docs.python.org/2/using/cmdline.html#envvar-PYTHONHOME */
      snprintf(new_env[0], length, "PYTHONHOME=%s/usr/", appdir);
-@@ -164,7 +167,7 @@
+@@ -164,7 +165,7 @@
      snprintf(new_env[1], length, "PATH=%s/usr/bin/:%s/usr/sbin/:%s/usr/games/:%s/bin/:%s/sbin/:%s", appdir, appdir, appdir, appdir, appdir, old_env);
  
      old_env = getenv("LD_LIBRARY_PATH") ?: "";