Merge pull request swiftlang#15125 from gottesmm/pr-63237292fe9810b82e7351497e8aa1445ddb6b3c

Fix obvious typo. SWIFT_BULID_STDLIB => SWIFT_BUILD_STDLIB.

Author: gottesmm

CMakeLists.txt

@@ -828,7 +828,7 @@ message(STATUS "  LTO:            ${SWIFT_TOOLS_ENABLE_LTO}")
 message(STATUS "  +0 Normal Args: ${SWIFT_ENABLE_GUARANTEED_NORMAL_ARGUMENTS}")
 message(STATUS "")
 
-if (SWIFT_BULID_STDLIB OR SWIFT_BUILD_SDK_OVERLAY)
+if (SWIFT_BUILD_STDLIB OR SWIFT_BUILD_SDK_OVERLAY)
 
   message(STATUS "Building Swift standard library and overlays for SDKs: ${SWIFT_SDKS}")
   message(STATUS "  Build type:       ${SWIFT_STDLIB_BUILD_TYPE}")