Fixes typo

Author: tinganho

tests/baselines/reference/typeGuardFunction.errors.txt

@@ -174,7 +174,7 @@ tests/cases/conformance/expressions/typeGuards/typeGuardFunction.ts(157,46): err
 !!! error TS2339: Property 'baz' does not exist on type 'A'.
     }
 
-    // Error:  Type Foo is not assignable to string
+    // Error: Type Foo is not assignable to string
     var f: string = getObjectOfType(isFoo, [1, 2]); 
         ~
 !!! error TS2322: Type 'Foo' is not assignable to type 'string'.

tests/baselines/reference/typeGuardFunction.js

@@ -136,7 +136,7 @@ if (isBaz(b)) {
     a.baz(); // Error
 }
 
-// Error:  Type Foo is not assignable to string
+// Error: Type Foo is not assignable to string
 var f: string = getObjectOfType(isFoo, [1, 2]); 
 
 // The parameter index and argument index for the type guard target is not matching.
@@ -287,7 +287,7 @@ function hasNonMathcingGenericType(a) {
 if (isBaz(b)) {
     a.baz(); // Error
 }
-// Error:  Type Foo is not assignable to string
+// Error: Type Foo is not assignable to string
 var f = getObjectOfType(isFoo, [1, 2]);
 // The parameter index and argument index for the type guard target is not matching.
 if (hasMultipleParameters(0, a)) {