Disable clang "range loop analysis" compiler warning

See: https://github.com/qbittorrent/qBittorrent/pull/13915#issuecomment-739449084

cmake/Modules/MacroQbtCommonConfig.cmake

@@ -59,6 +59,12 @@ macro(qbt_common_config)
         endif()
     endif()
 
+    if ((CXX_COMPILER_ID STREQUAL "Clang") OR (CXX_COMPILER_ID STREQUAL "AppleClang"))
+        target_compile_options(qbt_common_cfg INTERFACE
+            -Wno-range-loop-analysis
+        )
+    endif()
+
     if (MINGW)
         target_link_options(qbt_common_cfg INTERFACE $<$<OR:$<CONFIG:Debug>,$<CONFIG:RelWithDebInfo>>:LINKER:--dynamicbase>)
     endif()

src/src.pro

@@ -9,6 +9,8 @@ unix:!macx: include(../unixconf.pri)
 
 QT += network xml
 
+macx|*-clang*: QMAKE_CXXFLAGS_WARN_ON += -Wno-range-loop-analysis
+
 nogui {
     TARGET = qbittorrent-nox
     QT -= gui