style: rename print_graph.* as print-graph.*

These are the only files with _.

* src/print_graph.h, src/print_graph.c: Rename as...
* src/print-graph.h, src/print-graph.c: these.

po/POTFILES.in

@@ -9,8 +9,8 @@ src/location.c
 src/main.c
 src/muscle-tab.c
 src/parse-gram.y
+src/print-graph.c
 src/print.c
-src/print_graph.c
 src/reader.c
 src/reduce.c
 src/scan-code.l

src/getargs.c

@@ -20,7 +20,6 @@
 
 #include <config.h>
 #include "system.h"
-#include "output.h"
 
 #include <argmatch.h>
 #include <c-strcase.h>
@@ -28,12 +27,13 @@
 #include <error.h>
 #include <getopt.h>
 #include <progname.h>
+#include <quote.h>
 
 #include "complain.h"
 #include "files.h"
 #include "getargs.h"
 #include "muscle-tab.h"
-#include "quote.h"
+#include "output.h"
 #include "uniqstr.h"
 
 bool defines_flag = false;

src/local.mk

@@ -55,10 +55,10 @@ src_bison_SOURCES =                             \
   src/gram.h                                    \
   src/graphviz.c                                \
   src/graphviz.h                                \
-  src/lalr.c                                    \
-  src/lalr.h                                    \
   src/ielr.c                                    \
   src/ielr.h                                    \
+  src/lalr.c                                    \
+  src/lalr.h                                    \
   src/location.c                                \
   src/location.h                                \
   src/main.c                                    \
@@ -71,12 +71,12 @@ src_bison_SOURCES =                             \
   src/output.c                                  \
   src/output.h                                  \
   src/parse-gram.y                              \
+  src/print-graph.c                             \
+  src/print-graph.h                             \
   src/print-xml.c                               \
   src/print-xml.h                               \
   src/print.c                                   \
   src/print.h                                   \
-  src/print_graph.c                             \
-  src/print_graph.h                             \
   src/reader.c                                  \
   src/reader.h                                  \
   src/reduce.c                                  \

src/main.c

@@ -44,9 +44,9 @@
 #include "muscle-tab.h"
 #include "nullable.h"
 #include "output.h"
+#include "print-graph.h"
 #include "print-xml.h"
 #include "print.h"
-#include "print_graph.h"
 #include "reader.h"
 #include "reduce.h"
 #include "scan-code.h"

src/print-graph.c

@@ -30,7 +30,7 @@
 #include "gram.h"
 #include "graphviz.h"
 #include "lalr.h"
-#include "print_graph.h"
+#include "print-graph.h"
 #include "reader.h"
 #include "state.h"
 #include "symtab.h"