Fix pathname.inc path

Author: nobu

ext/pathname/depend

@@ -1,7 +1,7 @@
-ext/pathname/pathname.$(OBJEXT): {$(srcdir)}ext/pathname/pathname.c
-	@$(ECHO) compiling $<
+ext/pathname/pathname.$(OBJEXT): $(srcdir)/ext/pathname/pathname.c
+	@$(ECHO) compiling ext/pathname/pathname.c
 	$(Q) $(MAKEDIRS) $(@D)
-	$(Q) $(CC) $(CFLAGS) $(XCFLAGS) $(CPPFLAGS) $(COUTFLAG)$@ -c $(CSRCFLAG)$<
+	$(Q) $(CC) $(CFLAGS) $(XCFLAGS) $(CPPFLAGS) $(COUTFLAG)$@ -c $(CSRCFLAG)$(srcdir)/ext/pathname/pathname.c
 
 # AUTOGENERATED DEPENDENCIES START
 ext/pathname/pathname.$(OBJEXT): $(RUBY_EXTCONF_H)
@@ -176,4 +176,5 @@ ext/pathname/pathname.$(OBJEXT): $(hdrdir)/ruby/oniguruma.h
 ext/pathname/pathname.$(OBJEXT): $(hdrdir)/ruby/ruby.h
 ext/pathname/pathname.$(OBJEXT): $(hdrdir)/ruby/st.h
 ext/pathname/pathname.$(OBJEXT): $(hdrdir)/ruby/subst.h
+ext/pathname/pathname.$(OBJEXT): $(srcdir)/ext/pathname/pathname.c
 # AUTOGENERATED DEPENDENCIES END

ext/pathname/pathname.c

@@ -1667,4 +1667,4 @@ InitVM_pathname(void)
     id_zero_p = rb_intern("zero?");
 }
 
-#include "pathname.rbinc"
+#include "ext/pathname/pathname.rbinc"