fix typo.

build/build-py-static.sh

@@ -1,5 +1,7 @@
 #!/bin/bash
 
+set -e
+
 ################################################################
 # Basic settings.
 ################################################################

build/builder/build-external.py

@@ -83,7 +83,7 @@ class BuilderBase:
         cc.e("this is a pure-virtual function.")
 
     def build_zlib(self):
-        file_name = 'zlilb{}.zip'.format(env.ver_zlib_number)
+        file_name = 'zlib{}.zip'.format(env.ver_zlib_number)
         self._build_zlib(file_name)
 
     def _download_zlib(self, file_name):

make.sh

@@ -1,5 +1,7 @@
 #!/bin/bash
 
+set -e
+
 PATH_ROOT=$(cd "$(dirname "$0")"; pwd)
 #CFG_FILE=config.json