Fix bug introduced by me (Zeno)

Zeno- · RealBadAngel · commit 6c9bbb03609d · 2014-10-29T08:54:16.000+01:00
diff --git a/src/util/string.h b/src/util/string.h
@@ -125,9 +125,10 @@ inline std::vector<std::string> str_split(const std::string &str, char delimiter
 
 inline std::string lowercase(const std::string &s)
 {
-	std::string s2;
+	std::string s2 = s;
 	for(size_t i = 0; i < s.size(); i++)
-		s2[i] = tolower(s.at(i));
+		if (isupper(s2.at(i)))
+			s2[i] = tolower(s2.at(i));
 	return s2;
 }
 

Original file line number	Diff line number	Diff line change
`@@ -125,9 +125,10 @@ inline std::vector<std::string> str_split(const std::string &str, char delimiter`
`125`	`125`
`126`	`126`	`inline std::string lowercase(const std::string &s)`
`127`	`127`	`{`
`128`		`- std::string s2;`
	`128`	`+ std::string s2 = s;`
`129`	`129`	`for(size_t i = 0; i < s.size(); i++)`
`130`		`- s2[i] = tolower(s.at(i));`
	`130`	`+ if (isupper(s2.at(i)))`
	`131`	`+ s2[i] = tolower(s2.at(i));`
`131`	`132`	`return s2;`
`132`	`133`	`}`
`133`	`134`