event: trivial coding style fixes

Signed-off-by: NBrad Hards <bradh@frogmouth.net>
Signed-off-by: NStefan Hajnoczi <stefanha@linux.vnet.ibm.com>

input.c

@@ -161,15 +161,15 @@ void kbd_mouse_event(int dx, int dy, int dz, int buttons_state)
 
     if (mouse_event) {
         if (graphic_rotate) {
-            if (entry->qemu_put_mouse_event_absolute)
+            if (entry->qemu_put_mouse_event_absolute) {
                 width = 0x7fff;
-            else
+            } else {
                 width = graphic_width - 1;
-            mouse_event(mouse_event_opaque,
-                        width - dy, dx, dz, buttons_state);
-        } else
-            mouse_event(mouse_event_opaque,
-                        dx, dy, dz, buttons_state);
+            }
+            mouse_event(mouse_event_opaque, width - dy, dx, dz, buttons_state);
+        } else {
+            mouse_event(mouse_event_opaque, dx, dy, dz, buttons_state);
+        }
     }
 }