Gardening: Fix spelling mistakes in */SourceKit

* about
* and
* answering
* because
* before
* cancellation
* clear
* comment
* complete
* corresponding
* cursor
* custom
* dependencies
* doesn't
* expression
* extension
* immediately
* implementation
* implicit
* innovation
* intentionally
* occasionally
* oldest
* parameter
* property
* response
* reuseastcontext
* snapshot
* sourcekit_swift_runtime_link_flags
* synchronously
* target
* that
* unlabeled
* usefulness
* work

Signed-off-by: Josh Soref <2119212+jsoref@users.noreply.github.com>

tools/SourceKit/lib/SwiftLang/SwiftEditorInterfaceGen.cpp

@@ -382,7 +382,7 @@ SwiftInterfaceGenContext::create(StringRef DocumentName,
   ASTContext &Ctx = CI.getASTContext();
   CloseClangModuleFiles scopedCloseFiles(*Ctx.getClangModuleLoader());
 
-  // Load implict imports so that Clang importer can use them.
+  // Load implicit imports so that Clang importer can use them.
   for (auto unloadedImport :
        CI.getMainModule()->getImplicitImportInfo().AdditionalUnloadedImports) {
     (void)Ctx.getModule(unloadedImport.module.getModulePath());