2 files changed, 4 insertions, 4 deletions
diff --git a/apt-pkg/contrib/strutl.cc b/apt-pkg/contrib/strutl.cc
index e998d74dc..ab2da2d9a 100644
--- a/apt-pkg/contrib/strutl.cc
+++ b/apt-pkg/contrib/strutl.cc
@@ -1240,10 +1240,10 @@ bool CheckDomainList(const string &Host,const string &List)
    return false;
 }
 									/*}}}*/
-// ProcessEscapeSequences        					/*{{{*/
+// DeEscapeString - unescape (\0XX and \xXX) from a string      	/*{{{*/
 // ---------------------------------------------------------------------
-/* unescape (\0XX and \xXX) from a string */
-string DeEscapeString(string &input)
+/* */
+string DeEscapeString(const string &input)
 {
    char tmp[3];
    string::const_iterator it, escape_start;
diff --git a/apt-pkg/contrib/strutl.h b/apt-pkg/contrib/strutl.h
index 2a6bc1990..fba85cf94 100644
--- a/apt-pkg/contrib/strutl.h
+++ b/apt-pkg/contrib/strutl.h
@@ -41,7 +41,7 @@ string DeQuoteString(const string &Str);
 string DeQuoteString(string::const_iterator const &begin, string::const_iterator const &end);
 
 // unescape (\0XX and \xXX) from a string
-string DeEscapeString(string &input);
+string DeEscapeString(const string &input);
 
 string SizeToStr(double Bytes);
 string TimeToStr(unsigned long Sec);