Fix build for mingw32 on windows ($$ expansion)
Make using mingw32 on windows fails when running grep "=y$$". The command is expanded to grep "=y$ and the missing " results in an error. I don't expect a file config-devices.mak with =y somewhere in the middle of a line (they are always at the end of the line), so simplifying the regular expression to =y seems to be permitted. This avoids problems with wrong expansion. Signed-off-by: NStefan Weil <weil@mail.berlios.de> Signed-off-by: NAnthony Liguori <aliguori@us.ibm.com>
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