fix non-linking of C libs in side modules

emcc

@@ -1152,7 +1152,7 @@ try:
 
   if not LEAVE_INPUTS_RAW and not AUTODEBUG and \
      not shared.Settings.BUILD_AS_SHARED_LIB == 2 and \
-     not shared.Settings.SIDE_MODULE == 2: # shared libraries/side modules link no C libraries, need them in parent
+     not shared.Settings.SIDE_MODULE: # shared libraries/side modules link no C libraries, need them in parent
 
     # Check if we need to include some libraries that we compile. (We implement libc ourselves in js, but
     # compile a malloc implementation and stdlibc++.)