Update appveyor.yml

appveyor.yml

@@ -28,7 +28,7 @@ build_script:
 
     set PATH=%PATH:C:\Program Files\Git\usr\bin;=%
 
-    set PATH=C:\mingw-w64\i686-5.3.0-posix-dwarf-rt_v4-rev0\mingw32\bin;%PATH%
+    set PATH= C:\mingw-w64\x86_64-7.2.0-posix-seh-rt_v5-rev;%PATH%
 
     cmake .. -G %GENERATOR% -DCMAKE_BUILD_TYPE=%BUILD_TYPE% -DSPDLOG_WCHAR_SUPPORT=ON -DSPDLOG_BUILD_EXAMPLE=ON -DSPDLOG_BUILD_EXAMPLE_HO=ON -DSPDLOG_BUILD_TESTS=ON -DSPDLOG_BUILD_TESTS_HO=OFF