[gnome-commander/ConvertWarningsToErrors] fix warning: don't shadow Filter member named type

[Uwe Scholz <uwescholz src gnome org>]

commit 99449889459976afc8c67f714b373b7f90710e9e
Author: Andreas Henriksson <andreas fatal se>
Date:   Tue Apr 18 23:31:30 2017 +0200

    fix warning: don't shadow Filter member named type
    
    filter.cc: In constructor ‘Filter::Filter(const gchar*, gboolean, Filter::Type)’:
    filter.cc:31:63: error: declaration of ‘type’ shadows a member of ‘Filter’ [-Werror=shadow]
     Filter::Filter(const gchar *exp, gboolean case_sens, Type type): re_exp(NULL), fn_exp(NULL), fn_flags(0)
                                                                   ^
    In file included from filter.cc:26:0:
    filter.h:37:10: note: shadowed declaration is here
         Type type;          // common stuff
              ^~~~

 src/filter.cc |    6 +++---
 1 files changed, 3 insertions(+), 3 deletions(-)
---
diff --git a/src/filter.cc b/src/filter.cc
index 61005ce..da2fa59 100644
--- a/src/filter.cc
+++ b/src/filter.cc
@@ -28,11 +28,11 @@
 using namespace std;
 
 
-Filter::Filter(const gchar *exp, gboolean case_sens, Type type): re_exp(NULL), fn_exp(NULL), fn_flags(0)
+Filter::Filter(const gchar *exp, gboolean case_sens, Type _type): re_exp(NULL), fn_exp(NULL), fn_flags(0)
 {
-    this->type = type;
+    this->type = _type;
 
-    switch (type)
+    switch (_type)
     {
         case TYPE_REGEX:
             re_exp = g_new (regex_t, 1);