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-rw-r--r--src/utils/stringutils.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/utils/stringutils.h b/src/utils/stringutils.h
index 4f0138de..2b8cd45c 100644
--- a/src/utils/stringutils.h
+++ b/src/utils/stringutils.h
@@ -121,6 +121,6 @@ int compareStrI(const std::string &a, const std::string &b);
bool isWordSeparator(char chr);
-const std::string findSameSubstring(std::string &str1, std::string &str2);
+const std::string findSameSubstring(const std::string &str1, const std::string &str2);
#endif // UTILS_STRINGUTILS_H