Makefile: do not use tabs in if/else blocks

tabs should only appear in rules, not in ifeq/ifneq blocks
(since otherwise make can get very confused on error).

Signed-off-by: Julio Montes <julio.montes@intel.com>

Makefile

@@ -241,25 +241,25 @@ ifneq (,$(QEMUCMD))
 endif
 
 ifneq (,$(QEMUVIRTIOFSCMD))
-	KNOWN_HYPERVISORS += $(HYPERVISOR_QEMU_VIRTIOFS)
+    KNOWN_HYPERVISORS += $(HYPERVISOR_QEMU_VIRTIOFS)
 
-	CONFIG_FILE_QEMU_VIRTIOFS = configuration-qemu-virtiofs.toml
-	CONFIG_QEMU_VIRTIOFS = $(CLI_DIR)/config/$(CONFIG_FILE_QEMU_VIRTIOFS)
-	CONFIG_QEMU_VIRTIOFS_IN = $(CONFIG_QEMU_VIRTIOFS).in
+    CONFIG_FILE_QEMU_VIRTIOFS = configuration-qemu-virtiofs.toml
+    CONFIG_QEMU_VIRTIOFS = $(CLI_DIR)/config/$(CONFIG_FILE_QEMU_VIRTIOFS)
+    CONFIG_QEMU_VIRTIOFS_IN = $(CONFIG_QEMU_VIRTIOFS).in
 
-	CONFIG_PATH_QEMU_VIRTIOFS = $(abspath $(CONFDIR)/$(CONFIG_FILE_QEMU_VIRTIOFS))
-	CONFIG_PATHS += $(CONFIG_PATH_QEMU_VIRTIOFS)
+    CONFIG_PATH_QEMU_VIRTIOFS = $(abspath $(CONFDIR)/$(CONFIG_FILE_QEMU_VIRTIOFS))
+    CONFIG_PATHS += $(CONFIG_PATH_QEMU_VIRTIOFS)
 
-	SYSCONFIG_QEMU_VIRTIOFS = $(abspath $(SYSCONFDIR)/$(CONFIG_FILE_QEMU_VIRTIOFS))
-	SYSCONFIG_PATHS += $(SYSCONFIG_QEMU_VIRTIOFS)
+    SYSCONFIG_QEMU_VIRTIOFS = $(abspath $(SYSCONFDIR)/$(CONFIG_FILE_QEMU_VIRTIOFS))
+    SYSCONFIG_PATHS += $(SYSCONFIG_QEMU_VIRTIOFS)
 
-	CONFIGS += $(CONFIG_QEMU_VIRTIOFS)
+    CONFIGS += $(CONFIG_QEMU_VIRTIOFS)
 
-	# qemu-specific options (all should be suffixed by "_QEMU")
-	DEFBLOCKSTORAGEDRIVER_QEMU_VIRTIOFS := virtio-fs
-	DEFNETWORKMODEL_QEMU := tcfilter
-	KERNELNAMEVIRTIOFS = $(call MAKE_KERNEL_VIRTIOFS_NAME,$(KERNELTYPE))
-	KERNELVIRTIOFSPATH = $(KERNELDIR)/$(KERNELNAMEVIRTIOFS)
+    # qemu-specific options (all should be suffixed by "_QEMU")
+    DEFBLOCKSTORAGEDRIVER_QEMU_VIRTIOFS := virtio-fs
+    DEFNETWORKMODEL_QEMU := tcfilter
+    KERNELNAMEVIRTIOFS = $(call MAKE_KERNEL_VIRTIOFS_NAME,$(KERNELTYPE))
+    KERNELVIRTIOFSPATH = $(KERNELDIR)/$(KERNELNAMEVIRTIOFS)
 endif
 
 ifneq (,$(CLHCMD))