style changes: run cppi

Run it in src/ for a start.

* src/AnnotationList.h, src/InadequacyList.h, src/Sbitset.h,
* src/closure.c, src/complain.h, src/flex-scanner.h, src/getargs.h,
* src/gram.h, src/graphviz.h, src/ielr.h, src/location.h,
* src/muscle-tab.h, src/named-ref.h, src/relation.h, src/scan-code.h,
* src/state.h, src/symtab.h, src/system.h, src/uniqstr.h:
Reindent preprocessor directives.

src/getargs.h

@@ -21,7 +21,7 @@
 #ifndef GETARGS_H_
 # define GETARGS_H_
 
-#include "location.h"
+# include "location.h"
 
 enum { command_line_prio, grammar_prio, default_prio };