Build: Don't use immediate expansion of variable. (issue 5689058)

[julien . rioux]

Reviewers: dak,

Message:
Please review.

Description:
Build: Don't use immediate expansion of variable.

For out-of-source builds, get rid of this warning:
ls: cannot access ../../Documentation/snippets/*.ly: No such file

Ref: http://www.mail-archive.com/address@hidden/msg42975.html

Please review this at http://codereview.appspot.com/5689058/

Affected files:
  M Documentation/po/GNUmakefile


Index: Documentation/po/GNUmakefile
diff --git a/Documentation/po/GNUmakefile b/Documentation/po/GNUmakefile
index  
9849b93546593a2eff8351f432708b95d8f595ae..7fe191f1d5a3a9600d8405b0ed51e0966b9927ab  
100644
--- a/Documentation/po/GNUmakefile
+++ b/Documentation/po/GNUmakefile
@@ -12,7 +12,7 @@ DOC_PO_SOURCES = python/auxiliar/postprocess_html.py \
  scripts/auxiliar/tely-gettext.py scripts/auxiliar/translations-status.py
 TELY_FILES = $(shell ls $(depth)/Documentation/*.tely)
 TELY_FILES += $(foreach l, $(LANGS), $(shell ls  
$(depth)/Documentation/$(l)/*.tely))
-LSR_LYS := $(shell ls $(depth)/Documentation/snippets/*.ly)
+LSR_LYS = $(shell ls $(depth)/Documentation/snippets/*.ly)
 TELY_FILES += $(LSR_LYS:%.ly=../%.ly)

 messages: $(outdir)/messages