Fix two excessive type casting instances

No need to to a string -> char* -> string dance.

components/esm/weatherstate.cpp

@@ -49,7 +49,7 @@ namespace ESM
 
     void WeatherState::save(ESMWriter& esm) const
     {
-        esm.writeHNCString(currentRegionRecord, mCurrentRegion.c_str());
+        esm.writeHNCString(currentRegionRecord, mCurrentRegion);
         esm.writeHNT(timePassedRecord, mTimePassed);
         esm.writeHNT(fastForwardRecord, mFastForward);
         esm.writeHNT(weatherUpdateTimeRecord, mWeatherUpdateTime);

components/resource/imagemanager.cpp

@@ -94,7 +94,7 @@ namespace Resource
             Files::IStreamPtr stream;
             try
             {
-                stream = mVFS->get(normalized.c_str());
+                stream = mVFS->get(normalized);
             }
             catch (std::exception& e)
             {