Fixing cell-build tool. Doh!

Change-Id: Id00507d727dbaaaae2d2f5a54fdfa672afa0aa72
diff --git a/tools/dev/bin/cell-build b/tools/dev/bin/cell-build
index fc88ee4..0a100d7 100755
--- a/tools/dev/bin/cell-build
+++ b/tools/dev/bin/cell-build
@@ -45,7 +45,7 @@
 
     # Make sure the remote build machine is on the same commit hash as the local one
     remoteCommit=\$(git log -n 1 | head -n1 | cut -d\  -f2)
-    if [ "\$remoteCommit" != "$baseCommit" ]; then
+    if [ \"\$remoteCommit\" != \"$baseCommit\" ]; then
         git checkout master
         git pull --no-stat
         git checkout $baseCommit