shellcheck: prevent word splitting

Quote this to prevent word splitting.
With new version of shellcheck 0.8.0 its become more strict.

Signed-off-by: Anders Roxell <anders.roxell@linaro.org>
diff --git a/automated/android/media-codecs-functional-tests/linaro-android-userspace-tests.sh b/automated/android/media-codecs-functional-tests/linaro-android-userspace-tests.sh
index 2754534..4d5f170 100755
--- a/automated/android/media-codecs-functional-tests/linaro-android-userspace-tests.sh
+++ b/automated/android/media-codecs-functional-tests/linaro-android-userspace-tests.sh
@@ -4,6 +4,7 @@
 # shellcheck disable=SC2181
 # shellcheck disable=SC2155
 # shellcheck disable=SC2166
+# shellcheck disable=SC3060
 #############################################################################
 # Copyright (c) 2014 Linaro
 # All rights reserved. This program and the accompanying materials
@@ -91,7 +92,7 @@
 	fi
 
 	echo "Checking MD5SUM of output file"
-	local MD5SUM=$(func_md5 ${OUT_FILE})
+	local MD5SUM="$(func_md5 ${OUT_FILE})"
 	MD5SUM=${MD5SUM%% *}
 	rm ${OUT_FILE}
 	if [[ "${MD5SUM}" == "${EXPECTED_MD5SUM}" ]]; then
@@ -154,7 +155,7 @@
 	fi
 
 	echo "Checking MD5SUM of output file"
-	local MD5SUM=$(func_md5 ${OUT_FILE})
+	local MD5SUM="$(func_md5 ${OUT_FILE})"
 	MD5SUM=${MD5SUM%% *}
 	rm ${OUT_FILE}
 	if [[ "${MD5SUM}" == "${EXPECTED_MD5SUM}" ]]; then
@@ -195,7 +196,7 @@
 	fi
 
 	echo "Checking MD5SUM of output file"
-	local MD5SUM=$(func_md5 ${OUT_FILE})
+	local MD5SUM="$(func_md5 ${OUT_FILE})"
 	MD5SUM=${MD5SUM%% *}
 	rm ${OUT_FILE}
 	if [[ "${MD5SUM}" == "${EXPECTED_MD5SUM}" ]]; then
@@ -291,7 +292,7 @@
 				continue
 			fi
 
-			local MD5SUM=$(func_md5 ${OUT_FILE})
+			local MD5SUM="$(func_md5 ${OUT_FILE})"
 			MD5SUM="${MD5SUM%% *}"
 			if [[ "${MD5SUM}" != "${EXPECTED_MD5SUM}" ]]; then
 				echo
@@ -425,7 +426,7 @@
 			return 1
 		fi
 
-		local MD5SUM=$(func_md5 ${OUT_FILE})
+		local MD5SUM="$(func_md5 ${OUT_FILE})"
 		MD5SUM="${MD5SUM%% *}"
 		if [[ "${MD5SUM}" != "${EXPECTED_MD5SUM}" ]]; then
 			echo
@@ -514,7 +515,7 @@
 			continue
 		fi
 
-		local MD5SUM=$(func_md5 ${OUT_FILE})
+		local MD5SUM="$(func_md5 ${OUT_FILE})"
 		MD5SUM="${MD5SUM%% *}"
 		if [[ "${MD5SUM}" != "${EXPECTED_MD5SUM}" ]]; then
 			echo
@@ -605,7 +606,7 @@
 			return 1
 		fi
 
-		local MD5SUM=$(func_md5 ${OUT_FILE})
+		local MD5SUM="$(func_md5 ${OUT_FILE})"
 		MD5SUM="${MD5SUM%% *}"
 		if [[ "${MD5SUM}" != "${EXPECTED_MD5SUM}" ]]; then
 			echo
@@ -692,7 +693,7 @@
 			return 1
 		fi
 
-		local MD5SUM=$(func_md5 ${OUT_FILE})
+		local MD5SUM="$(func_md5 ${OUT_FILE})"
 		MD5SUM="${MD5SUM%% *}"
 		if [[ "${MD5SUM}" != "${EXPECTED_MD5SUM}" ]]; then
 			echo