Use CMake-provided C/C++ standard selection capabilities; fix build (qtr.pro)

CMakeLists.txt

@@ -338,10 +338,19 @@ if(WIN32)
     endforeach()
 endif()
 
-if(CMAKE_C_COMPILER_ID STREQUAL "GNU" OR CMAKE_C_COMPILER_ID STREQUAL "Clang")
-    set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -std=gnu99")
-    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=gnu++11")
+if(CMAKE_VERSION VERSION_LESS "3.1")
+    if(CMAKE_C_COMPILER_ID STREQUAL "GNU" OR CMAKE_C_COMPILER_ID STREQUAL "Clang")
+        set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -std=gnu99")
+        set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=gnu++11")
+    endif()
+else()
+    set(CMAKE_C_STANDARD 99)
+    set(CMAKE_C_STANDARD_REQUIRED ON)
+    set(CMAKE_CXX_STANDARD 11)
+    set(CMAKE_CXX_STANDARD_REQUIRED ON)
+endif()
 
+if(CMAKE_C_COMPILER_ID STREQUAL "GNU" OR CMAKE_C_COMPILER_ID STREQUAL "Clang")
     set(NEEDED_COMPILER_FLAGS
         -Wall
         -W

qt/TorrentDelegate.cc

@@ -285,7 +285,6 @@ QString
 TorrentDelegate::shortStatusString (const Torrent& tor)
 {
   QString str;
-  static const QChar ratioSymbol (0x262F);
 
   switch (tor.getActivity ())
     {

qt/qtr.pro

@@ -55,6 +55,7 @@ TRANSLATIONS += translations/transmission_en.ts \
 
 FORMS += AboutDialog.ui \
          DetailsDialog.ui \
+         LicenseDialog.ui \
          MainWindow.ui \
          MakeDialog.ui \
          MakeProgressDialog.ui \