spelling: unknown

Signed-off-by: Josh Soref <[email protected]>

Author: jsoref

test/IDE/complete_accessor.swift

@@ -116,7 +116,7 @@ extension UNKNOWN_TYPE {
     get {}
     #^UNKNOWN_EXT_PROPERTY_SECOND?check=NO_GLOBAL;check=NO_SELF;check=WITH_GETSET;check=WITH_OBSERVER^#
   }
-  subscript<T>(_1 index: T) -> T where T: ANOTHER_UNKNWON_TYPE {
+  subscript<T>(_1 index: T) -> T where T: ANOTHER_UNKNOWN_TYPE {
     #^UNKNOWN_EXT_SUBSCRIPT_FIRST?check=WITH_GLOBAL;check=WITH_SELF;check=WITH_GETSET;check=NO_OBSERVER^#
   }
   subscript(_2 index: Int) -> String {

test/IDE/complete_attributes.swift

@@ -24,9 +24,9 @@ struct MyValue {
 // MEMBER_MyValue-DAG: Decl[StaticVar]/CurrNominal:        val[#Int#];
 // MEMBER_MyValue: End completions
 
-class TestUnkownDanglingAttr1 {
+class TestUnknownDanglingAttr1 {
   @UknownAttr(arg: MyValue.#^ATTRARG_MEMBER^#)
 }
-class TestUnkownDanglingAttr2 {
+class TestUnknownDanglingAttr2 {
   @UknownAttr(arg: { MyValue.#^ATTRARG_MEMBER_IN_CLOSURE^# })
 }