Relax test.

The real fix here is to make sure the . operator actually gets its own source
location. Right now, it depends on what code is being inlined from the stdlib
thus the failure with the debug stdlib only. We can relax the test further in
the short term.

rdar://108132971
(cherry picked from commit 9657c89)

Author: adrian-prantl

test/Sanitizers/symbolication.swift

@@ -34,7 +34,7 @@ bar()
 
 // Out-of-process
 // FIXME: There is no instruction with the location of the failing `.` operator and it's used inside implicit setup code, thus the crash is associated with the previous line.
-// OOP:      #0 0x{{[0-9a-f]+}} in foo() symbolication.swift:[[@LINE-14]]
+// OOP:      #0 0x{{[0-9a-f]+}} in foo()
 // OOP-NEXT: #1 0x{{[0-9a-f]+}} in bar() symbolication.swift:[[@LINE-9]]
 // OOP-NEXT: #2 0x{{[0-9a-f]+}} in main symbolication.swift:[[@LINE-6]]