use eq and ne instead of == and != when comparing ${os.arch}, ${configure.build_arch}, ${build_arch}, and some port-specific variables for referring to architectures

git-svn-id: https://svn.macports.org/repository/macports/trunk/dports@114328 d073be05-634f-4543-b044-5fe20cf6d1d6

lang/python32/Portfile

@@ -117,7 +117,7 @@ variant universal {
       set arch_run_32bit {}
       foreach arch ${universal_archs} {
          lappend universal_arch_flags -arch ${arch}
-         if { ${arch}=="i386" || ${arch}=="ppc" } {
+         if {${arch} eq "i386" || ${arch} eq "ppc"} {
             lappend arch_run_32bit -${arch}
          }
       }