Coding style cleanup

Signed-off-by: Stefan Roese <sr@denx.de>
diff --git a/lib_m68k/m68k_linux.c b/lib_m68k/m68k_linux.c
index fde1744..bea9744 100644
--- a/lib_m68k/m68k_linux.c
+++ b/lib_m68k/m68k_linux.c
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