langhooks.c: Include langhooks.h.

        * langhooks.c: Include langhooks.h.
        * Makefile.in (langhooks.o): Depend on it.

From-SVN: r46176

gcc/Makefile.in

@@ -1349,7 +1349,7 @@ prefix.o: prefix.c $(CONFIG_H) $(SYSTEM_H) Makefile prefix.h
 convert.o: convert.c $(CONFIG_H) $(SYSTEM_H) $(TREE_H) flags.h convert.h toplev.h
 
 langhooks.o : langhooks.c $(CONFIG_H) $(SYSTEM_H) $(TREE_H) toplev.h \
-   tree-inline.h $(RTL_H) insn-config.h integrate.h
+   tree-inline.h $(RTL_H) insn-config.h integrate.h langhooks.h
 tree.o : tree.c $(CONFIG_H) $(SYSTEM_H) $(TREE_H) flags.h function.h toplev.h \
    $(GGC_H) $(HASHTAB_H) $(TARGET_H) output.h $(TM_P_H)
 tree-inline.o : tree-inline.c $(CONFIG_H) $(SYSTEM_H) $(TREE_H) $(RTL_H) \

gcc/langhooks.c

@@ -27,6 +27,8 @@ Boston, MA 02111-1307, USA.  */
 #include "rtl.h"
 #include "insn-config.h"
 #include "integrate.h"
+#include "langhooks.h"
+
 
 /* lang_hooks.tree_inlining.walk_subtrees is called by walk_tree()
    after handling common cases, but before walking code-specific