fix more pthread typos

src/memory/build_store_contents.c

@@ -22,7 +22,7 @@ void build_store_contents(struct store_t * RESTRICT const store)
      * You will NOT have access to stardata here.
      */
 
-#ifdef __HAVE_lIBPTHREAD__
+#ifdef __HAVE_LIBPTHREAD__
     /*
      * Make mutexes for later locking
      */
@@ -125,7 +125,7 @@ void build_store_contents(struct store_t * RESTRICT const store)
         store->built = TRUE;
         store->debug_stopping = 0;
     }
-#ifdef __HAVE_PTHREAD__
+#ifdef __HAVE_LIBPTHREAD__
     pthread_mutex_unlock(&store->lock);
 #endif//__HAVE_PTHREAD__
 }