fix a syntax error to get this package building again

tiff/tiff.spec

@@ -33,7 +33,7 @@ Class:        BASE
 Group:        Graphics
 License:      GPL
 Version:      3.8.0
-Release:      20051230
+Release:      20060111
 
 #   package options
 %option       with_cxx  no
@@ -70,6 +70,7 @@ AutoReqProv:  no
 %prep
     %setup -q
     %{l_shtool} subst \
+        -e 's;== "x";= "x";' \
         -e 's;enable_c++;enable_cxx;' \
         -e 's;\[^-_$as_cr_alnum];[^+-_$as_cr_alnum];' \
         -e 's;\(echo \$ac_feature | sed \)\(.\)\([^\`]*\);\1\2\3 | sed \2s/+/x/g\2;g' \