fs/ext2: always pass the label option

... since passing an empty string is equivalent to not setting a label.

And fix the syntax highlighting in some editors...

Signed-off-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
Signed-off-by: Samuel Martin <s.martin49@gmail.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>

fs/ext2/ext2.mk

@@ -19,9 +19,9 @@ endif
 # qstrip results in stripping consecutive spaces into a single one. So the
 # variable is not qstrip-ed to preserve the integrity of the string value.
 EXT2_LABEL := $(subst ",,$(BR2_TARGET_ROOTFS_EXT2_LABEL))
-ifneq ($(EXT2_LABEL),)
+#" Syntax highlighting... :-/ )
+
 EXT2_OPTS += -l "$(EXT2_LABEL)"
-endif
 
 ROOTFS_EXT2_DEPENDENCIES = host-mke2img