[lld][test] Fix sanitizer buildbot failure

Buildbot failure:
https://lab.llvm.org/buildbot/#/builders/5/builds/41530/steps/9/logs/stdio

GitOrigin-RevId: d9b435c24ddddcc8148fd97b42f6bb1124e52307
diff --git a/test/ELF/loongarch-reloc-leb128.s b/test/ELF/loongarch-reloc-leb128.s
index 9e6f221..2dd327d 100644
--- a/test/ELF/loongarch-reloc-leb128.s
+++ b/test/ELF/loongarch-reloc-leb128.s
@@ -99,4 +99,4 @@
 .reloc ., R_LARCH_ADD_ULEB128, w2
 .reloc ., R_LARCH_SUB_ULEB128, w1
 .fill 10, 1, 0x80
-.byte 0
+.byte 1