Use the nice Git for Windows icon in the portable application

Signed-off-by: Johannes Schindelin <[email protected]>

Author: dscho

portable/git-bash.bat.in

@@ -8,7 +8,7 @@
 @SET MSYSTEM=MINGW@@BITNESS@@
 
 @IF NOT EXIST %git_install_root%usr\bin\mintty.exe GOTO startsh
-@START %git_install_root%usr\bin\mintty -i /usr/share/git/git.ico /usr/bin/bash --login %*
+@START %git_install_root%usr\bin\mintty -i /usr/share/git/git-for-windows.ico /usr/bin/bash --login %*
 @EXIT
 
 :startsh