fixed name for GFX library

Author: ed7coyne

.travis.yml

@@ -16,15 +16,15 @@ install:
 - ( cd ${HOME} && wget -q -O SoftwareSerial.zip https://github.com/plerup/espsoftwareserial/archive/097712eb07f5b3a70ef419b6e7a7ed2ada5aab85.zip && unzip -q SoftwareSerial.zip
   && rm -rf SoftwareSerial.zip && mv espsoftwareserial-* SoftwareSerial)
 - (cd ${HOME} && LIB=Adafruit_NeoPixel && wget https://github.com/adafruit/$LIB/archive/master.zip -O $LIB.zip && unzip $LIB.zip && mv $LIB-master $LIB)
-- (cd ${HOME} && LIB=Adafruit_GFX && wget https://github.com/adafruit/$LIB/archive/master.zip -O $LIB.zip && unzip $LIB.zip && mv $LIB-master $LIB)
+- (cd ${HOME} && LIB=Adafruit-GFX-Library && wget https://github.com/adafruit/$LIB/archive/master.zip -O $LIB.zip && unzip $LIB.zip && mv $LIB-master $LIB)
 - (cd ${HOME} && LIB=Adafruit_SSD1306 && wget https://github.com/adafruit/$LIB/archive/master.zip -O $LIB.zip && unzip $LIB.zip && mv $LIB-master $LIB)
 - git clone --branch ${ARDUINO_ESP8266_VERSION} https://github.com/esp8266/Arduino.git ${ARDUINO_ESP8266_ROOT}
 - git submodule init && git submodule update
 - ( cd ${ARDUINO_ESP8266_ROOT}/tools && python get.py )
 before_script:
 - mkdir -p ${ARDUINO_HOME}/libraries
 - ( cd ${ARDUINO_HOME}/libraries && ln -s ${TRAVIS_BUILD_DIR} firebase-arduino && ln -s ${TRAVIS_BUILD_DIR}/src/third-party/arduino-json-5.2 ArduinoJson && ln -s ${HOME}/SoftwareSerial ./
-  && ln -s ${HOME}/Adafruit_NeoPixel ./ && ln -s ${HOME}/Adafruit_GFX ./ && ln -s ${HOME}/Adafruit_SSD1306 ./)
+  && ln -s ${HOME}/Adafruit_NeoPixel ./ && ln -s ${HOME}/Adafruit-GFX-Library ./ && ln -s ${HOME}/Adafruit_SSD1306 ./)
 script:
 - ${ARDUINO_ROOT}/arduino-builder -verbose  -hardware ${ARDUINO_ROOT}/hardware/ -tools ${ARDUINO_ESP8266_ROOT}/tools/ -tools ${ARDUINO_ROOT}/tools-builder/ -fqbn esp8266com:esp8266:nodemcuv2 -libraries ${ARDUINO_HOME}/libraries/ -prefs build.flash_ld=${ARDUINO_ESP8266_ROOT}/tools/sdk/ld/eagle.flash.4m.ld -prefs build.flash_freq=40 -prefs build.flash_size=4M examples/FirebaseDemo_ESP8266/FirebaseDemo_ESP8266.ino
 - ${ARDUINO_ROOT}/arduino-builder -verbose  -hardware ${ARDUINO_ROOT}/hardware/ -tools ${ARDUINO_ESP8266_ROOT}/tools/ -tools ${ARDUINO_ROOT}/tools-builder/ -fqbn esp8266com:esp8266:nodemcuv2 -libraries ${ARDUINO_HOME}/libraries/ -prefs build.flash_ld=${ARDUINO_ESP8266_ROOT}/tools/sdk/ld/eagle.flash.4m.ld -prefs build.flash_freq=40 -prefs build.flash_size=4M examples/FirebaseSerialHost_ESP8266/FirebaseSerialHost_ESP8266.ino