gitweb: fix mobile footer overflow by wrapping text and clearing floats

Signed-off-by: Rito Rhymes <rito@ritovision.com>

Author: ritorhymes

gitweb/static/gitweb.css

@@ -73,11 +73,17 @@ div.page_path {
 }
 
 div.page_footer {
-	height: 22px;
+	min-height: 22px;
 	padding: 4px 8px;
 	background-color: #d9d8d1;
 }
 
+div.page_footer::after {
+	content: "";
+	display: table;
+	clear: both;
+}
+
 div.page_footer_text {
 	line-height: 22px;
 	float: left;