Fix issues in git-log when spaces in folder path.

Author: cdujeu

core/src/plugins/meta.git/class.GitManager.php

@@ -65,7 +65,11 @@ public function applyActions($actionName, $httpVars, $fileVars)
             case "git_history":
                 $file = AJXP_Utils::decodeSecureMagic($httpVars["file"]);
                 $file = ltrim($file, "/");
-
+                $dir = dirname($file);
+                if(!empty($dir) && $dir != "/"){
+                    $git = new VersionControl_Git($this->repoBase."/".$dir);
+                    $file = basename($file);
+                }
                 $res = $this->gitHistory($git, $file);
                 AJXP_XMLWriter::header();
                 $ic = AJXP_Utils::mimetype($file, "image", false);