REDESIGN: ExportWave()

Use new file I/O ABI

src/raudio.c

@@ -744,9 +744,7 @@ void ExportWave(Wave wave, const char *fileName)
     {
         // Export raw sample data (without header)
         // NOTE: It's up to the user to track wave parameters
-        FILE *rawFile = fopen(fileName, "wb");
-        success = fwrite(wave.data, wave.sampleCount*wave.channels*wave.sampleSize/8, 1, rawFile);
-        fclose(rawFile);
+        SaveFileData(fileName, wave.data, wave.sampleCount*wave.channels*wave.sampleSize/8);
     }
 
     if (success) TRACELOG(LOG_INFO, "Wave exported successfully: %s", fileName);