Merge pull request #226 from uint23/dev

merge: fix undefined behavior & add xcursor package to void dep list

2 files changed, 3 insertions, 3 deletions

diff --git a/README.md b/README.md
index 2a98146..b1f2299 100644
--- a/README.md
+++ b/README.md
@@ -244,7 +244,7 @@ sudo emaint -a sync
 <details>
 <summary>Void Linux</summary>
 <pre><code>sudo xbps-install -S
-sudo xbps-install libX11-devel libXinerama-devel gcc make</code></pre>
+sudo xbps-install libX11-devel libXinerama-devel libXcursor-devel gcc make</code></pre>
 </details>
 
 <details>
diff --git a/src/sxwm.c b/src/sxwm.c
index 6ed33c0..57be734 100644
--- a/src/sxwm.c
+++ b/src/sxwm.c
@@ -2783,10 +2783,10 @@ void update_modifier_masks(void)
 			/* keycode at mod[i][j] */
 			KeyCode keycode = mod_mapping->modifiermap[i * mod_mapping->max_keypermod + j];
 			if (keycode == num) {
-				numlock_mask = (1 << i); /* which mod bit == NumLock key */
+				numlock_mask = (1u << i); /* which mod bit == NumLock key */
 			}
 			if (keycode == mode) {
-				mode_switch_mask = (1 << i); /* which mod bit == Mode_switch key */
+				mode_switch_mask = (1u << i); /* which mod bit == Mode_switch key */
 			}
 		}
 	}