Fixed some "unused xxx" warnings + include autoconfig

src/internfile/internfile.cpp

@@ -757,7 +757,6 @@ FileInterner::Status FileInterner::internfile(Rcl::Doc& doc, const string& ipath
     // We set the ipath for the first handler here, others are set
     // when they're pushed on the stack
     vector<string> vipath;
-    int vipathidx = 0;
     if (!ipath.empty()) {
 	vector<string> lipath;
 	stringToTokens(ipath, lipath, cstr_isep, true);

src/internfile/mimehandler.cpp

@@ -126,7 +126,6 @@ void returnMimeHandler(RecollFilter *handler)
 void clearMimeHandlerCache()
 {
     LOGDEB(("clearMimeHandlerCache()\n"));
-    typedef multimap<string, RecollFilter*>::value_type value_type;
     multimap<string, RecollFilter *>::iterator it;
     PTMutexLocker locker(o_handlers_mutex);
     for (it = o_handlers.begin(); it != o_handlers.end(); it++) {