fix rc substitution (found by Michael Schloh)

sasl/sasl.spec

@@ -33,7 +33,7 @@ Distribution: OpenPKG [PLUS]
 Group:        Cryptography
 License:      BSD
 Version:      2.1.12
-Release:      20030312
+Release:      20030316
 
 #   package options
 %option       with_fsl    no
@@ -242,7 +242,7 @@ AutoReqProv:  no
     %{l_shtool} mkdir -f -p -m 755 \
         $RPM_BUILD_ROOT%{l_prefix}/etc/rc.d
     %{l_shtool} install -c -m 755 \
-        -e 's;@l_authmech@;${l_authmech};g' \
+        -e "s;@l_authmech@;${l_authmech};g" \
         -e 's;@l_prefix@;%{l_prefix};g' \
         -e 's;@l_susr@;%{l_susr};g' \
         %{SOURCE rc.sasl} \