Vcs: Fix cache-checking for non-existing directories

Change-Id: Id314a40372feeddc61de89eae3684d502ea20d02
Reviewed-by: Tobias Hunger <tobias.hunger@digia.com>

src/plugins/coreplugin/vcsmanager.cpp

@@ -207,8 +207,8 @@ IVersionControl* VcsManager::findVersionControlForDirectory(const QString &input
     if (inputDirectory.isEmpty())
         return 0;
 
-    // Make sure we a clean absolute path:
-    const QString directory = QDir(inputDirectory).canonicalPath();
+    // Make sure we an absolute path:
+    const QString directory = QDir(inputDirectory).absolutePath();
 
     VcsManagerPrivate::VcsInfo *cachedData = d->findInCache(directory);
     if (cachedData) {