regclass.c: Include ggc.h.

        * regclass.c: Include ggc.h.
        * Makefile.in (regclass.o): Add ggc.h to dependency list.

From-SVN: r29615

gcc/Makefile.in

@@ -1554,7 +1554,7 @@ combine.o : combine.c $(CONFIG_H) system.h $(RTL_H) flags.h function.h \
    $(BASIC_BLOCK_H) $(RECOG_H) real.h hard-reg-set.h toplev.h
 regclass.o : regclass.c $(CONFIG_H) system.h $(RTL_H) hard-reg-set.h flags.h \
    $(BASIC_BLOCK_H) $(REGS_H) insn-config.h $(RECOG_H) reload.h real.h \
-   toplev.h function.h output.h
+   toplev.h function.h output.h ggc.h
 local-alloc.o : local-alloc.c $(CONFIG_H) system.h $(RTL_H) flags.h \
    $(BASIC_BLOCK_H) $(REGS_H) hard-reg-set.h insn-config.h $(RECOG_H) \
    output.h function.h insn-attr.h toplev.h

gcc/regclass.c

@@ -38,6 +38,7 @@ Boston, MA 02111-1307, USA.  */
 #include "real.h"
 #include "toplev.h"
 #include "output.h"
+#include "ggc.h"
 
 #ifndef REGISTER_MOVE_COST
 #define REGISTER_MOVE_COST(x, y) 2