contrib/gemset_snapshot in rvm-1.0.1 vs contrib/gemset_snapshot in rvm-1.0.2

@@ -5,10 +5,10 @@
 echo '# system snapshot gemset file' > snapshot.gems
 for gem in $(gem list | sed 's#[\(|\)]##g' | sed 's#, #,#g' | \tr ' ' ';') ; do
   name="$(echo $gem | awk -F';' '{print $1}')"
   versions="$(echo $gem | awk -F';' '{print $2}' | sed 's#,# #g')"
   for version in $versions ; do
-    echo "$name -v$version" >> $file_name
+    echo "$name -v$version" >> "$file_name"
   done ; unset version versions
 done ; unset file_name
 
 exit $?