pkg-utils.mk: fix/clean indentation

# automagically find where the package is located. Note that the

# pkgdir macro is carefully written to handle the case of the Linux

# package, for which the package directory is an empty string.

define pkgdir

$(dir $(lastword $(MAKEFILE_LIST)))

endef

define pkgname

$(lastword $(subst /, ,$(call pkgdir)))

endef

define pkgparentdir

$(patsubst %$(call pkgname)/,%,$(call pkgdir))

endef

pkgdir       = $(dir $(lastword $(MAKEFILE_LIST)))

pkgname      = $(lastword $(subst /, ,$(call pkgdir)))

pkgparentdir = $(patsubst %$(call pkgname)/,%,$(call pkgdir))

# Define extractors for different archive suffixes

INFLATE.bz2  = $(BZCAT)