address review comments

Author: SandrineP

src/subcommand/diff_subcommand.cpp

@@ -224,12 +224,12 @@ void diff_subcommand::print_diff(diff_wrapper& diff, bool use_colour)
         if (m_find_renames_flag || m_find_copies_flag)
         {
             find_opts.flags |= GIT_DIFF_FIND_RENAMES;
-            find_opts.rename_threshold = (uint16_t)m_rename_threshold;
+            find_opts.rename_threshold = m_rename_threshold;
         }
         if (m_find_copies_flag)
         {
             find_opts.flags |= GIT_DIFF_FIND_COPIES;
-            find_opts.copy_threshold = (uint16_t)m_copy_threshold;
+            find_opts.copy_threshold = m_copy_threshold;
         }
         if (m_find_copies_harder_flag)
         {

src/subcommand/diff_subcommand.hpp

@@ -38,9 +38,9 @@ class diff_subcommand
     bool m_patience_flag = false;
     bool m_minimal_flag = false;
 
-    uint m_rename_threshold = 50;
+    uint16_t m_rename_threshold = 50;
     bool m_find_renames_flag = false;
-    uint m_copy_threshold = 50;
+    uint16_t m_copy_threshold = 50;
     bool m_find_copies_flag = false;
     bool m_find_copies_harder_flag = false;
     bool m_break_rewrites_flag = false;