[PATCH 1/1] Lustre: single statement macros should not use do {} while (0)

[Mario J. Rugiero]

This fixes all appearances of the warning but one, as that one seems to 
be intentional:

WARNING: Single statement macros should not use a do {} while (0) loop
#1221: FILE: lustre/include/lustre_dlm.h:1221:
+#define LDLM_LOCK_RELEASE(lock)		 \
+do {					    \
+	/*LDLM_DEBUG((lock), "put");*/	  \
+	ldlm_lock_put(lock);		    \
+} while (0)

I didn't know if I should touch this debug statement, and if uncommented 
it would certainly be incorrect to erase the do-while construct.

Regards,
Mario.
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