[niepce] rust: remove fwk/base/fractions.hpp implemented in Rust

[Hubert Figuière <hub src gnome org>]

commit 1c27a45d16f844de5bf8ed4e4c91ef1eaf1d369e
Author: Hubert Figuière <hub figuiere net>
Date:   Thu Sep 28 22:34:47 2017 -0400

    rust: remove fwk/base/fractions.hpp implemented in Rust

 src/fwk/base/Makefile.am           |    1 -
 src/fwk/base/fractions.hpp         |   43 ------------------------------------
 src/fwk/toolkit/metadatawidget.cpp |    3 +-
 3 files changed, 1 insertions(+), 46 deletions(-)
---
diff --git a/src/fwk/base/Makefile.am b/src/fwk/base/Makefile.am
index a0b7a1a..5606edc 100644
--- a/src/fwk/base/Makefile.am
+++ b/src/fwk/base/Makefile.am
@@ -33,7 +33,6 @@ libfwkbase_a_SOURCES = colour.hpp colour.cpp \
        autoflag.hpp \
        date.hpp date.cpp \
        debug.hpp debug.cpp \
-       fractions.hpp \
        moniker.hpp moniker.cpp \
        geometry.hpp geometry.cpp \
        singleton.hpp \
diff --git a/src/fwk/toolkit/metadatawidget.cpp b/src/fwk/toolkit/metadatawidget.cpp
index 906cefd..5fce86f 100644
--- a/src/fwk/toolkit/metadatawidget.cpp
+++ b/src/fwk/toolkit/metadatawidget.cpp
@@ -31,7 +31,6 @@
 
 #include "fwk/base/debug.hpp"
 #include "fwk/base/autoflag.hpp"
-#include "fwk/base/fractions.hpp"
 #include "fwk/utils/exempi.hpp"
 #include "fwk/utils/stringutils.hpp"
 #include "fwk/toolkit/widgets/ratinglabel.hpp"
@@ -267,7 +266,7 @@ bool MetaDataWidget::set_fraction_dec_data(Gtk::Widget* w,
         const std::string str_value = fwk::property_value_get_string(value);
         DBG_OUT("set fraction dec %s", str_value.c_str());
         std::string frac = str(boost::format("%.1f")
-                               % fwk_fraction_to_decimal(str_value.c_str()));
+                               % ffi::fwk_fraction_to_decimal(str_value.c_str()));
         AutoFlag flag(m_update);
         static_cast<Gtk::Label*>(w)->set_text(frac);
     }