Fixed a bug with util_db_search returning false when it shouldn't

Also reduced optimization level from 3 to 2 for stability.

Makefile

@@ -18,7 +18,7 @@ ifeq ($(DEBUG), 1)
 	CXXFLAGS := -ggdb -pedantic -Wall $(CXXFLAGS)
 else
 	BUILDDIR  = build/release
-	CXXFLAGS := -O3 $(CXXFLAGS)
+	CXXFLAGS := -O2 $(CXXFLAGS)
 endif
 
 LDFLAGS  := -L./$(BUILDDIR)/fmt -L./$(BUILDDIR)/cpr $(LDFLAGS)

src/util.cpp

@@ -514,7 +514,7 @@ string makepkg_list(string_view pkg_name, string path) {
  * Why? well, alpm_db_search searches for results that match ALL regex patterns, this one searches for results that match ANY regex pattern.
 */
 bool util_db_search(alpm_db_t *db, alpm_list_t *needles, alpm_list_t **ret) {
-    if (!db || !needles || ret != nullptr)
+    if (!db || !needles || *ret != nullptr)
         return false;
 
     for (; needles; needles = needles->next) {