FSClient - add missing file copy for installer

mitchcapper/FSClient/FSClient.csproj

@@ -261,6 +261,7 @@ if exist "%25FREESWITCH_SRC_LOCATION%25" copy "%25FREESWITCH_SRC_LOCATION%25\"Wi
 if exist "%25FREESWITCH_SRC_LOCATION%25" copy "%25FREESWITCH_SRC_LOCATION%25\"Win32\$(ConfigurationName)\mod\mod_tone_stream.dll .\mod
 if exist "%25FREESWITCH_SRC_LOCATION%25" copy "%25FREESWITCH_SRC_LOCATION%25\"Win32\$(ConfigurationName)\mod\mod_silk.dll .\mod
 if exist "%25FREESWITCH_SRC_LOCATION%25" copy "%25FREESWITCH_SRC_LOCATION%25\"Win32\$(ConfigurationName)\mod\mod_bv.dll .\mod
+if exist "%25FREESWITCH_SRC_LOCATION%25" copy "%25FREESWITCH_SRC_LOCATION%25\"Win32\$(ConfigurationName)\mod\mod_isac.dll .\mod
 
 if not exist ".\conf" md conf
 copy ..\..\"external items"\conf\freeswitch.xml .\conf