Fix for Opera Browser

We had user reported problems with the Opera browser accessing the forum after we upgraded to php 8.2. This change looks like what was actually intended by the code, and it did solve the problem.

sources/BrowserDetector.class.php

@@ -327,12 +327,13 @@ private function _setMajorVersion()
 		}
 		elseif ($this->_browsers['is_opera'])
 		{
-			if (preg_match('~OPR[/]([0-9][0-9]?[.])~i', $this->_ua, $match) === 1)
+			if (preg_match('~OPR[/]([0-9][0-9]?[.])~i', $this->_ua, $match) === 1) {
 				$this->_browsers['is_opera' . (int) trim($match[1])] = true;
 
-			// Since opera >= 15 wants to look like chrome, set the body to do just that
-			if (trim($match[1]) >= 15)
-				$this->_browsers['is_chrome'] = true;
+				// Since opera >= 15 wants to look like chrome, set the body to do just that
+				if (trim($match[1]) >= 15)
+					$this->_browsers['is_chrome'] = true;
+			}
 		}
 	}