dependencies: fix tests on LD_LIBRARY_PATH

Things like LD_LIBRARY_PATH=. or even LD_LIBRARY_PATH=.:/usr/lib were
not detected as incorrect.

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>

toolchain/dependencies/dependencies.sh

@@ -23,10 +23,10 @@ fi
 # sanity check for CWD in LD_LIBRARY_PATH
 # try not to rely on egrep..
 if test -n "$LD_LIBRARY_PATH" ; then
-	/bin/echo TRiGGER_start"$LD_LIBRARY_PATH"TRiGGER_end | /bin/grep ':.:' >/dev/null 2>&1 ||
-	/bin/echo TRiGGER_start"$LD_LIBRARY_PATH"TRiGGER_end | /bin/grep 'TRiGGER_start:' >/dev/null 2>&1 ||
-	/bin/echo TRiGGER_start"$LD_LIBRARY_PATH"TRiGGER_end | /bin/grep ':TRiGGER_end' >/dev/null 2>&1 ||
-	/bin/echo TRiGGER_start"$LD_LIBRARY_PATH"TRiGGER_end | /bin/grep '::' >/dev/null 2>&1
+	/bin/echo TRiGGER_start"$LD_LIBRARY_PATH"TRiGGER_end | /bin/grep ':\.:' >/dev/null 2>&1 ||
+	/bin/echo TRiGGER_start"$LD_LIBRARY_PATH"TRiGGER_end | /bin/grep 'TRiGGER_start\.:' >/dev/null 2>&1 ||
+	/bin/echo TRiGGER_start"$LD_LIBRARY_PATH"TRiGGER_end | /bin/grep ':\.TRiGGER_end' >/dev/null 2>&1 ||
+	/bin/echo TRiGGER_start"$LD_LIBRARY_PATH"TRiGGER_end | /bin/grep 'TRiGGER_start\.TRiGGER_end' >/dev/null 2>&1
 	if test $? = 0; then
 		/bin/echo -e "\nYou seem to have the current working directory in your"
 		/bin/echo -e "LD_LIBRARY_PATH environment variable. This doesn't work.\n"