Fixes for clang

Jay Berkenbilt
1 parent 569d74d3
Showing 2 changed files with 2 additions and 1 deletions
libqpdf/Pl_PNGFilter.cc
libqpdf/QUtil.cc
@@ -3,6 +3,7 @@
 #include <stdexcept>
 #include <string.h>
 #include <limits.h>
+#include <algorithm>
 Pl_PNGFilter::Pl_PNGFilter(char const* identifier, Pipeline* next,
 			   action_e action, unsigned int columns,
@@ -326,7 +326,7 @@ QUtil::hex_decode(std::string const&amp; input)
             }
             else
             {
-                result.back() += ch;
+                result[result.length()-1] += ch;
                 pos = 0;
             }
         }