Quick fix to yay -Si error code #430. Will return all possible values and then error

Signed-off-by: Jguer <me@jguer.space>

query.go

@@ -214,12 +214,16 @@ func syncInfo(pkgS []string) (err error) {
 		}
 	}
 
-	if len(aurS) != 0 {
+	if len(info) != 0 {
 		for _, pkg := range info {
 			PrintInfo(pkg)
 		}
 	}
 
+	if len(aurS) != len(info) {
+		return fmt.Errorf("Could not find all required packages")
+	}
+
 	return
 }