Fix clang warnings

common/log.c

@@ -171,7 +171,7 @@ void error_handler(int sig) {
 				sway_log(L_ERROR, "Unable to allocate memory to show maps");
 				break;
 			}
-			sway_log(L_ERROR, m);
+			sway_log(L_ERROR, "%s", m);
 		}
 		fclose(maps);
 	}

sway/commands.c

@@ -870,8 +870,8 @@ static struct cmd_results *cmd_move(int argc, char **argv) {
 			uint32_t w = size->w - g.size.w;
 			uint32_t h = size->h - g.size.h;
 
-			view->x = g.origin.x = MIN(w, MAX(x, 0));
+			view->x = g.origin.x = MIN((int32_t)w, MAX(x, 0));
-			view->y = g.origin.y = MIN(h, MAX(y, 0));
+			view->y = g.origin.y = MIN((int32_t)h, MAX(y, 0));
 
 			wlc_view_set_geometry(view->handle, 0, &g);
 		}