arch/sh/lib/libgcc.h: Checkpatch cleanup

arch/sh/lib/libgcc.h:21: ERROR: open brace '{' following union go on the same line
Signed-off-by: NAndrea Gelmini <andrea.gelmini@gelma.net>
Signed-off-by: NPaul Mundt <lethal@linux-sh.org>

arch/sh/lib/libgcc.h

@@ -17,8 +17,7 @@ struct DWstruct {
 #error I feel sick.
 #endif
 
-typedef union
-{
+typedef union {
 	struct DWstruct s;
 	long long ll;
 } DWunion;