swift234

Revert "Allow trailing closures with a line break before '{'."

This reverts r19315, which broke my build:

-- Testing: 1 tests, 1 threads --
FAIL: Swift :: Interpreter/arrays.swift (1 of 1)
******************** TEST 'Swift :: Interpreter/arrays.swift' FAILED ********************
Script:
--
rm -rf /Users/dave/build/swift/Ninja-RelWithDebInfo/swift/test/Interpreter/Output/arrays.swift.tmp && mkdir -p /Users/dave/build/swift/Ninja-RelWithDebInfo/swift/test/Interpreter/Output/arrays.swift.tmp && xcrun -sdk macosx10.10 /Users/dave/build/swift/Ninja-RelWithDebInfo/swift/bin/swift -target x86_64-apple-macosx10.9 -resource-dir '/Users/dave/build/swift/Ninja-RelWithDebInfo/swift/lib/swift' -module-cache-path /Users/dave/build/swift/Ninja-RelWithDebInfo/swift/swift-module-cache -module-cache-path /Users/dave/build/swift/Ninja-RelWithDebInfo/swift/test/Interpreter/Output/arrays.swift.tmp/clang-module-cache /Users/dave/src/s/swift/test/Interpreter/arrays.swift -o /Users/dave/build/swift/Ninja-RelWithDebInfo/swift/test/Interpreter/Output/arrays.swift.tmp/a.out &&  /Users/dave/build/swift/Ninja-RelWithDebInfo/swift/test/Interpreter/Output/arrays.swift.tmp/a.out | FileCheck /Users/dave/src/s/swift/test/Interpreter/arrays.swift
--
Exit Code: 1

Command Output (stderr):
--
/Users/dave/src/s/swift/test/Interpreter/arrays.swift:54:1: error: invalid use of '()' to call a value of non-function type '()'
println()
^

Swift SVN r19317