scroll(1): renamed from pg(1)

Makefile

@@ -32,7 +32,7 @@ RUSTLIBS = --extern getopt=build/o/libgetopt.rlib \
 CFLAGS += -I$(SYSEXITS)
 
 .PHONY: all
-all: dj false fop hru intcmp mm npc rpn scrut str strcmp swab true
+all: dj false fop hru intcmp mm npc rpn scroll scrut str strcmp swab true
 
 # keep build/include until bindgen(1) has stdin support
 # https://github.com/rust-lang/rust-bindgen/issues/2703
@@ -122,10 +122,10 @@ npc: build/bin/npc
 build/bin/npc: src/npc.c build
 	$(CC) $(CFLAGS) -o $@ src/npc.c
 
-.PHONY: pg
-pg: build/bin/pg
-build/bin/pg: src/pg.c build
-	$(CC) $(CFLAGS) -o $@ src/pg.c
+.PHONY: scroll
+scroll: build/bin/scroll
+build/bin/scroll: src/scroll.c build
+	$(CC) $(CFLAGS) -o $@ src/scroll.c
 
 .PHONY: rpn
 rpn: build/bin/rpn