[sanitizer] Add "isapla" to symbolizer's global symbols whitelist.

Summary: D33637 introduced isalpha, whitelist need to reflect that.

Reviewers: eugenis

Subscribers: kubamracek, llvm-commits

Differential Revision: https://reviews.llvm.org/D33687

llvm-svn: 304234
GitOrigin-RevId: 0145dee36674df20eefbc95f737969bc32efab52
diff --git a/lib/sanitizer_common/symbolizer/scripts/global_symbols.txt b/lib/sanitizer_common/symbolizer/scripts/global_symbols.txt
index 737f945..a23c953 100644
--- a/lib/sanitizer_common/symbolizer/scripts/global_symbols.txt
+++ b/lib/sanitizer_common/symbolizer/scripts/global_symbols.txt
@@ -59,6 +59,7 @@
 getpid U
 gettimeofday U
 ioctl U
+isalpha U
 isatty U
 isprint U
 isupper U