Add llvm_start_edge_profiling to exported symbols for libprofile_rt.

llvm-svn: 79944
diff --git a/llvm/runtime/libprofile/exported_symbols.lst b/llvm/runtime/libprofile/exported_symbols.lst
index 6f6c3cc..5fc6559 100644
--- a/llvm/runtime/libprofile/exported_symbols.lst
+++ b/llvm/runtime/libprofile/exported_symbols.lst
@@ -1,5 +1,6 @@
 
 llvm_start_func_profiling
 llvm_start_block_profiling
+llvm_start_edge_profiling
 llvm_start_basic_block_tracing
 llvm_trace_basic_block