[Macros] Fix macro index test.

Author: hborla

test/Index/index_macros.swift

@@ -3,8 +3,8 @@
 // REQUIRES: OS=macosx
 
 
-macro myLine: Int = MacroDefinition.LineMacro
-macro myFilename<T: ExpressibleByStringLiteral>: T = MacroDefinition.FileMacro
+macro myLine() -> Int = MacroDefinition.LineMacro
+macro myFilename<T: ExpressibleByStringLiteral>() -> T = MacroDefinition.FileMacro
 macro myStringify<T>(_: T) -> (T, String) = MacroDefinition.StringifyMacro
 
 func test(x: Int) {
@@ -13,14 +13,14 @@ func test(x: Int) {
   _ = #myStringify(x + x)
 }
 
-// CHECK: 6:7 | macro/Swift | myLine | s:14swift_ide_test6myLineSifm | Def | rel: 0
-// CHECK: 6:15 | struct/Swift | Int | s:Si | Ref | rel: 0
-// CHECK: 7:7 | macro/Swift | myFilename | s:14swift_ide_test10myFilenamexfm | Def | rel: 0
+// CHECK: 6:7 | macro/Swift | myLine() | s:14swift_ide_test6myLineSiycfm | Def | rel: 0
+// CHECK: 6:19 | struct/Swift | Int | s:Si | Ref | rel: 0
+// CHECK: 7:7 | macro/Swift | myFilename() | s:14swift_ide_test10myFilenamexycfm | Def | rel: 0
 // CHECK: 7:21 | protocol/Swift | ExpressibleByStringLiteral | s:s26ExpressibleByStringLiteralP | Ref | rel: 0
 // CHECK: 8:7 | macro/Swift | myStringify(_:) | s:14swift_ide_test11myStringifyyx_SStxcfm | Def | rel: 0
 
-// CHECK: 11:8 | macro/Swift | myLine | s:14swift_ide_test6myLineSifm | Ref,RelCont | rel: 1
-// CHECK: 12:20 | macro/Swift | myFilename | s:14swift_ide_test10myFilenamexfm | Ref,RelCont | rel: 1
+// CHECK: 11:8 | macro/Swift | myLine() | s:14swift_ide_test6myLineSiycfm | Ref,RelCont | rel: 1
+// CHECK: 12:20 | macro/Swift | myFilename() | s:14swift_ide_test10myFilenamexycfm | Ref,RelCont | rel: 1
 // CHECK: 13:8 | macro/Swift | myStringify(_:) | s:14swift_ide_test11myStringifyyx_SStxcfm | Ref,RelCont | rel: 1
 // CHECK: 13:20 | param/Swift | x | s:14swift_ide_test0C01xySi_tFACL_Sivp | Ref,Read,RelCont | rel: 1
 // CHECK: 13:22 | static-method/infix-operator/Swift | +(_:_:) | s:Si1poiyS2i_SitFZ | Ref,Call,RelCall,RelCont | rel: 1