Don't use absolute path for EXPORTED_SYMBOL_FILE, this breaks under the new
system.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101404 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/runtime/libprofile/Makefile b/runtime/libprofile/Makefile
index 15e6779..b3076c4 100644
--- a/runtime/libprofile/Makefile
+++ b/runtime/libprofile/Makefile
@@ -17,6 +17,6 @@
 LOADABLE_MODULE = 1
 LIBRARYNAME = profile_rt
 EXTRA_DIST = exported_symbols.lst
-EXPORTED_SYMBOL_FILE = $(PROJ_SRC_DIR)/exported_symbols.lst
+EXPORTED_SYMBOL_FILE = exported_symbols.lst
 
 include $(LEVEL)/Makefile.common