Update .travis.yml

.travis.yml

@@ -56,10 +56,10 @@
           - sed -i 's#compiler.elf2hex.extra_flags=#compiler.elf2hex.extra_flags=\ncompiler.libraries.ldflags=#' ~/.arduino15/packages/arduino/hardware/samd/1.8.6/platform.txt
           # esp8266
           - ls -l ~/.arduino15/packages/esp8266/hardware/esp8266
-          - sed -ri 's#(recipe.c.combine.pattern=[^$]*\{compiler.c.elf.libs\})( -Wl,--end-group  "-L\{build.path\}")#\1 {compiler.libraries.ldflags}\2#' ~/.arduino15/packages/esp8266/hardware/esp8266/2.7.0/platform.txt
-          - sed -i 's#compiler.elf2hex.extra_flags=#compiler.elf2hex.extra_flags=\ncompiler.libraries.ldflags=#' ~/.arduino15/packages/esp8266/hardware/esp8266/2.7.0/platform.txt
-          - sed -i '/^.*libalgobsec.*$/d' ~/.arduino15/packages/esp8266/hardware/esp8266/2.7.0/tools/sdk/ld/eagle.app.v6.common.ld.h
-          - sed -ri 's#(\*libwps\.a:\(\.literal\.\* \.text\.\*\))#\1\n    *libalgobsec.a:(.literal.* .text.*)#' ~/.arduino15/packages/esp8266/hardware/esp8266/2.7.0/tools/sdk/ld/eagle.app.v6.common.ld.h
+          - sed -ri 's#(recipe.c.combine.pattern=[^$]*\{compiler.c.elf.libs\})( -Wl,--end-group  "-L\{build.path\}")#\1 {compiler.libraries.ldflags}\2#' ~/.arduino15/packages/esp8266/hardware/esp8266/2.7.1/platform.txt
+          - sed -i 's#compiler.elf2hex.extra_flags=#compiler.elf2hex.extra_flags=\ncompiler.libraries.ldflags=#' ~/.arduino15/packages/esp8266/hardware/esp8266/2.7.1/platform.txt
+          - sed -i '/^.*libalgobsec.*$/d' ~/.arduino15/packages/esp8266/hardware/esp8266/2.7.1/tools/sdk/ld/eagle.app.v6.common.ld.h
+          - sed -ri 's#(\*libwps\.a:\(\.literal\.\* \.text\.\*\))#\1\n    *libalgobsec.a:(.literal.* .text.*)#' ~/.arduino15/packages/esp8266/hardware/esp8266/2.7.1/tools/sdk/ld/eagle.app.v6.common.ld.h
 
           # the HDC100X lib is not properly set up in githup so move things around a bit
           - rm -rf $HOME/arduino_ide/libraries/HDC100X_Arduino_Library-master