Update after LLVM API change.

llvm-svn: 228933
diff --git a/lldb/source/Symbol/CompactUnwindInfo.cpp b/lldb/source/Symbol/CompactUnwindInfo.cpp
index e715344..85bd22f 100644
--- a/lldb/source/Symbol/CompactUnwindInfo.cpp
+++ b/lldb/source/Symbol/CompactUnwindInfo.cpp
@@ -115,7 +115,7 @@
 
 #define EXTRACT_BITS(value, mask) \
         ( (value >> llvm::countTrailingZeros(static_cast<uint32_t>(mask), llvm::ZB_Width)) & \
-          (((1 << llvm::CountPopulation_32(static_cast<uint32_t>(mask))))-1) )
+          (((1 << llvm::countPopulation(static_cast<uint32_t>(mask))))-1) )