Rename a test case to a more generic name. This is a completely useless

test, but David Sehr is looking at spiffing it up and adding some proper
tests for our alloca codegen.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@158181 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/test/CodeGen/2002-05-24-Alloca.c b/test/CodeGen/alloca.c
similarity index 100%
rename from test/CodeGen/2002-05-24-Alloca.c
rename to test/CodeGen/alloca.c