unwind: remove a could of extraneous `else` (NFC)

Simplify `if return else return` by removing the unnecessary `else`.

git-svn-id: https://llvm.org/svn/llvm-project/libunwind/trunk@372233 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/src/libunwind.cpp b/src/libunwind.cpp
index c90032b..31f30f5 100644
--- a/src/libunwind.cpp
+++ b/src/libunwind.cpp
@@ -171,8 +171,7 @@
   co->getInfo(info);
   if (info->end_ip == 0)
     return UNW_ENOINFO;
-  else
-    return UNW_ESUCCESS;
+  return UNW_ESUCCESS;
 }
 _LIBUNWIND_WEAK_ALIAS(__unw_get_proc_info, unw_get_proc_info)
 
@@ -194,8 +193,7 @@
   AbstractUnwindCursor *co = (AbstractUnwindCursor *)cursor;
   if (co->getFunctionName(buf, bufLen, offset))
     return UNW_ESUCCESS;
-  else
-    return UNW_EUNSPEC;
+  return UNW_EUNSPEC;
 }
 _LIBUNWIND_WEAK_ALIAS(__unw_get_proc_name, unw_get_proc_name)