Finalize refactor to new log macros, following-up to 37e3be9

This possible also mitigates the issue tracked in #307.

Signed-off-by: Joachim Wiberg <troglobit@gmail.com>

plugins/procps.c

@@ -37,7 +37,7 @@ static void setup(void *arg)
 	glob_t gl;
 
 	if (rescue) {
-		_d("Skipping %s plugin in rescue mode.", __FILE__);
+		dbg("Skipping %s plugin in rescue mode.", __FILE__);
 		return;
 	}