[niepce] fwk: fix warning in test

[Hubert Figuière <hub src gnome org>]

commit a4f333945ead6eff981ede079e663c8982829307
Author: Hubert Figuière <hub figuiere net>
Date:   Sat Nov 12 14:06:49 2016 -0500

    fwk: fix warning in test

 src/fwk/base/t/testgeometry.cpp |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/src/fwk/base/t/testgeometry.cpp b/src/fwk/base/t/testgeometry.cpp
index 11ccdd3..2253fe9 100644
--- a/src/fwk/base/t/testgeometry.cpp
+++ b/src/fwk/base/t/testgeometry.cpp
@@ -41,10 +41,10 @@ int test_main( int, char *[] )             // note the name!
        vtest.push_back("a b c d");
        vtest.push_back("100 100 150");
        std::for_each(vtest.begin(), vtest.end(),
-                     [] (const std::string & s) {
+                     [] (const std::string & value) {
                              bool raised = false;
                              try {
-                                     Rect r3(s);
+                                     Rect r3(value);
                              }
                              catch(std::bad_cast) {
                                      raised = true;