Use PACKAGE_NAME instead of hardcoding application name in log message

src/init.cpp

@@ -814,7 +814,7 @@ void InitLogging()
 #else
     version_string += " (release build)";
 #endif
-    LogPrintf("Bitcoin version %s\n", version_string);
+    LogPrintf(PACKAGE_NAME " version %s\n", version_string);
 }
 
 namespace { // Variables internal to initialization process only