Update system paths to system binaries

packages/mc/filemanager_ext.c.patch

@@ -6,7 +6,7 @@ diff -u -r ../mc-4.8.12/src/filemanager/ext.c ./src/filemanager/ext.c
  
      cmd_file = fdopen (cmd_file_fd, "w");
 -    fputs ("#! /bin/sh\n\n", cmd_file);
-+    fputs ("#! /system/bin/sh\n\n", cmd_file);
++    fputs ("#! @TERMUX_PREFIX@/bin/sh\n\n", cmd_file);
  
      export_variables = exec_get_export_variables (filename_vpath);
      if (export_variables != NULL)
@@ -15,7 +15,7 @@ diff -u -r ../mc-4.8.12/src/filemanager/ext.c ./src/filemanager/ext.c
       */
      if (!run_view)
 -        fprintf (cmd_file, "\n/bin/rm -f %s\n", vfs_path_as_str (script_vpath));
-+        fprintf (cmd_file, "\n/system/bin/rm -f %s\n", vfs_path_as_str (script_vpath));
++        fprintf (cmd_file, "\n@TERMUX_PREFIX@/bin/applets/rm -f %s\n", vfs_path_as_str (script_vpath));
  
      fclose (cmd_file);
  
@@ -24,7 +24,7 @@ diff -u -r ../mc-4.8.12/src/filemanager/ext.c ./src/filemanager/ext.c
          mc_chmod (script_vpath, S_IRWXU);
          /* ... but don't rely on it - run /bin/sh explicitly */
 -        cmd = g_strconcat ("/bin/sh ", vfs_path_as_str (script_vpath), (char *) NULL);
-+        cmd = g_strconcat ("/system/bin/sh ", vfs_path_as_str (script_vpath), (char *) NULL);
++        cmd = g_strconcat ("@TERMUX_PREFIX@/bin/sh ", vfs_path_as_str (script_vpath), (char *) NULL);
      }
  
      if (run_view)

packages/mc/main.c.patch

@@ -6,7 +6,7 @@ diff -u -r ../mc-4.8.12/src/main.c ./src/main.c
      {
          g_free (mc_global.tty.shell);
 -        mc_global.tty.shell = g_strdup ("/bin/sh");
-+        mc_global.tty.shell = g_strdup ("/system/bin/sh");
++        mc_global.tty.shell = g_strdup ("@TERMUX_PREFIX@/bin/sh");
      }
  
      /* This is the directory, where MC was installed, on Unix this is DATADIR */