+ small fix for windows

src/server/kiwix-serve.cpp

@@ -477,6 +477,7 @@ int main(int argc, char **argv) {
     vector<string> libraryPaths = kiwix::split(libraryPath, ";");
     vector<string>::iterator itr;
     for ( itr = libraryPaths.begin(); itr != libraryPaths.end(); ++itr ) {
+      if (!(*itr).empty()) {
 	bool retVal = false;
 	try {
 	  retVal = libraryManager.readFile(*itr, true);
@@ -489,6 +490,7 @@ int main(int argc, char **argv) {
 	  exit(1);
 	}
       }
+    }
 
     /* Check if the library is not empty (or only remote books)*/
     if (libraryManager.getBookCount(true, false)==0) {