[gardening] Fix accidental trailing whitespace.

cmake/modules/AddSwift.cmake

@@ -95,7 +95,7 @@ endfunction()
 #   ANALYZE_CODE_COVERAGE analyze_code_coverage
 #   RESULT_VAR_NAME result_var_name
 #   DEPLOYMENT_VERSION_IOS deployment_version_ios # If provided, overrides the default value of the iOS deployment target set by the Swift project for this compilation only.
-# 
+#
 # )
 function(_add_variant_c_compile_link_flags)
   set(oneValueArgs SDK ARCH BUILD_TYPE RESULT_VAR_NAME ENABLE_LTO ANALYZE_CODE_COVERAGE DEPLOYMENT_VERSION_IOS)
@@ -104,7 +104,7 @@ function(_add_variant_c_compile_link_flags)
     "${oneValueArgs}"
     ""
     ${ARGN})
-  
+
   set(result
     ${${CFLAGS_RESULT_VAR_NAME}}
     "-target" "${SWIFT_SDK_${CFLAGS_SDK}_ARCH_${CFLAGS_ARCH}_TRIPLE}")
@@ -1297,12 +1297,12 @@ function(add_swift_library name)
     message(FATAL_ERROR
         "Either SHARED, STATIC, or OBJECT_LIBRARY must be specified")
   endif()
-  
+
   if(SWIFTLIB_TARGET_LIBRARY)
     if(NOT SWIFT_BUILD_RUNTIME_WITH_HOST_COMPILER)
       list(APPEND SWIFTLIB_DEPENDS clang)
     endif()
-    
+
     # If we are building this library for targets, loop through the various
     # SDKs building the variants of this library.
     list_intersect(
@@ -1675,7 +1675,7 @@ function(_add_swift_executable_single name)
   # Determine compiler flags.
   set(c_compile_flags)
   set(link_flags)
-  
+
   # Add variant-specific flags.
   _add_variant_c_compile_flags(
     SDK "${SWIFTEXE_SINGLE_SDK}"