vcs: s/VCS/Vcs/

According to style guide.

Change-Id: I05c1d4f50ddbf2876ab7e0835f4abec95fd573b2
Reviewed-by: Friedemann Kleint <Friedemann.Kleint@nokia.com>
Reviewed-by: Leena Miettinen <riitta-leena.miettinen@nokia.com>

src/plugins/git/annotationhighlighter.cpp

@@ -39,7 +39,7 @@ namespace Internal {
 
 GitAnnotationHighlighter::GitAnnotationHighlighter(const ChangeNumbers &changeNumbers,
                                                              QTextDocument *document) :
-    VCSBase::BaseAnnotationHighlighter(changeNumbers, document),
+    VcsBase::BaseAnnotationHighlighter(changeNumbers, document),
     m_blank(QLatin1Char(' '))
 {
 }