Update windows toolchain

add libm.a with math functions enabled

Author: igrr

build/build.xml

@@ -972,8 +972,8 @@
     <mkdir dir="${staging_folder}/work/${staging_hardware_folder}/esp8266com/esp8266/tools" />
 
   	<antcall target="untar">
-      <param name="archive_file" value="${staging_folder}/dist/win32-xtensa-lx106-elf-gb404fb9.tgz" />
-      <param name="archive_url" value="http://download.igrr.me/win32-xtensa-lx106-elf-gb404fb9.tgz" />
+      <param name="archive_file" value="${staging_folder}/dist/win32-xtensa-lx106-elf-gb404fb9-2.tgz" />
+      <param name="archive_url" value="http://download.igrr.me/win32-xtensa-lx106-elf-gb404fb9-2.tgz" />
       <param name="final_folder" value="${staging_folder}/work/${staging_hardware_folder}/esp8266com/esp8266/tools/xtensa-lx106-elf" />
       <param name="dest_folder" value="${staging_folder}/work/${staging_hardware_folder}/esp8266com/esp8266/tools/" />
     </antcall>

build/build_board_manager_package.sh

@@ -130,10 +130,10 @@ cat << EOF > package_esp8266com_index.json
       "systems": [
         {
            "host":"i686-mingw32",
-           "url":"http://arduino.esp8266.com/win32-xtensa-lx106-elf-gb404fb9.tar.gz",
-           "archiveFileName":"win32-xtensa-lx106-elf-gb404fb9.tar.gz",
-           "checksum":"SHA-256:1561ec85cc58cab35cc48bfdb0d0087809f89c043112a2c36b54251a13bf781f",
-           "size":"153807368"
+           "url":"http://arduino.esp8266.com/win32-xtensa-lx106-elf-gb404fb9-2.tar.gz",
+           "archiveFileName":"win32-xtensa-lx106-elf-gb404fb9-2.tar.gz",
+           "checksum":"SHA-256:10476b9c11a7a90f40883413ddfb409f505b20692e316c4e597c4c175b4be09c",
+           "size":"153527527"
         },
         {
            "host":"x86_64-apple-darwin",

build/windows/dist/win32-xtensa-lx106-elf-gb404fb9.tgz.sha

@@ -1 +1 @@
-07b7d398cc0ca9e863073a6558668fa0a510b8cd
+698d08d6086a36f3e3f4c0932986b45a2b0d0fc8