test-mq-merge: quote ^

^ is magic on Solaris and must be quoted

tests/test-mq-merge

@@ -28,7 +28,7 b' hg rm a'
 hg qrefresh -m "rm a"
 
 # Save the patch queue so we can merge it later
-hg qsave -c -e 2>&1 | grep -v ^copy
+hg qsave -c -e 2>&1 | grep -v '^copy'
 checkundo qsave
 
 # Update b and commit in an "update" changeset
@@ -40,7 +40,7 b' hg ci -m update'
 # Here, qpush used to abort with :
 # The system cannot find the file specified => a
 hg manifest
-hg qpush -a -m 2>&1 | grep -v ^merging
+hg qpush -a -m 2>&1 | grep -v '^merging'
 checkundo 'qpush -m'
 hg manifest