some style/layout changes

Just do a few simple style/layout changes to make the makefile look
better.

Signed-off-by: Andreas Philipp <philipp.andreas@gmail.com>
Signed-off-by: Hugo Mills <hugo@carfax.org.uk>

Makefile

@@ -6,7 +6,6 @@ objects = ctree.o disk-io.o radix-tree.o extent-tree.o print-tree.o \
 	  inode-map.o crc32c.o rbtree.o extent-cache.o extent_io.o \
 	  volumes.o utils.o btrfs-list.o btrfslabel.o
 
-#
 CHECKFLAGS= -D__linux__ -Dlinux -D__STDC__ -Dunix -D__unix__ -Wbitwise \
 	    -Wuninitialized -Wshadow -Wundef
 DEPFLAGS = -Wp,-MMD,$(@D)/.$(@F).d,-MT,$@
@@ -17,8 +16,7 @@ bindir = $(prefix)/bin
 LIBS = -luuid
 
 progs = btrfsctl mkfs.btrfs btrfs-debug-tree btrfs-show btrfs-vol btrfsck \
-	btrfs \
-	btrfs-map-logical
+	btrfs btrfs-map-logical
 
 # make C=1 to enable sparse
 ifdef C