build: filter out a filtering list, 80-col (NFC)

Rather than check the two names individually use a `IN_LIST` to make it
simpler to reason about.  Wrap another conditional to 80-columns.  NFC.

Author: compnerd

cmake/modules/AddSwift.cmake

@@ -1764,14 +1764,18 @@ function(add_swift_library name)
         # Add Swift standard library targets as dependencies to the top-level
         # convenience target.
         if(SWIFTLIB_TARGET_LIBRARY)
+          set(FILTERED_UNITTESTS
+                swiftStdlibCollectionUnittest
+                swiftStdlibUnicodeUnittest)
+
           foreach(arch ${SWIFT_SDK_${sdk}_ARCHITECTURES})
             set(VARIANT_SUFFIX "-${SWIFT_SDK_${sdk}_LIB_SUBDIR}-${arch}")
-            if(TARGET "swift-stdlib${VARIANT_SUFFIX}" AND TARGET "swift-test-stdlib${VARIANT_SUFFIX}")
+            if(TARGET "swift-stdlib${VARIANT_SUFFIX}" AND
+               TARGET "swift-test-stdlib${VARIANT_SUFFIX}")
               add_dependencies("swift-stdlib${VARIANT_SUFFIX}"
                   ${lipo_target}
                   ${lipo_target_static})
-              if((NOT "${name}" STREQUAL "swiftStdlibCollectionUnittest") AND
-                 (NOT "${name}" STREQUAL "swiftStdlibUnicodeUnittest"))
+              if(NOT "${name}" IN_LIST FILTERED_UNITTESTS)
                 add_dependencies("swift-test-stdlib${VARIANT_SUFFIX}"
                     ${lipo_target}
                     ${lipo_target_static})