Change "resize to fit" shortcut to Meta+w

Meta+x will be used for CUT (cut text to clipboard).

app/scrcpy.1

@@ -220,7 +220,7 @@ Rotate display right
 Resize window to 1:1 (pixel\-perfect)
 
 .TP
-.B Meta+x, Double\-click on black borders
+.B Meta+w, Double\-click on black borders
 Resize window to remove black borders
 
 .TP

app/src/cli.c

@@ -198,7 +198,7 @@ scrcpy_print_usage(const char *arg0) {
         "    " MOD "+g\n"
         "        Resize window to 1:1 (pixel-perfect)\n"
         "\n"
-        "    " MOD "+x\n"
+        "    " MOD "+w\n"
         "    Double-click on black borders\n"
         "        Resize window to remove black borders\n"
         "\n"

app/src/input_manager.c

@@ -363,7 +363,7 @@ input_manager_process_key(struct input_manager *im,
                     screen_switch_fullscreen(im->screen);
                 }
                 return;
-            case SDLK_x:
+            case SDLK_w:
                 if (!shift && !repeat && down) {
                     screen_resize_to_fit(im->screen);
                 }