Merge pull request #67 from colinoflynn/master

Change GCC mode from "C99" to "GNU99". Codes does not build in C99 mode.

.cproject

@@ -31,7 +31,7 @@
 								<option id="gnu.c.compiler.option.misc.other.2042135891" name="Other flags" superClass="gnu.c.compiler.option.misc.other" value="-c -fmessage-length=0 -fno-builtin -ffunction-sections -fdata-sections" valueType="string"/>
 								<option id="com.crt.advproject.gcc.hdrlib.1665882326" name="Library headers" superClass="com.crt.advproject.gcc.hdrlib" value="com.crt.advproject.gcc.hdrlib.newlibnano" valueType="enumerated"/>
 								<option id="com.crt.advproject.gcc.exe.debug.option.optimization.level.773464770" name="Optimization Level" superClass="com.crt.advproject.gcc.exe.debug.option.optimization.level"/>
-								<option id="com.crt.advproject.c.misc.dialect.45841452" name="Language standard" superClass="com.crt.advproject.c.misc.dialect" value="com.crt.advproject.misc.dialect.c99" valueType="enumerated"/>
+								<option id="com.crt.advproject.c.misc.dialect.45841452" name="Language standard" superClass="com.crt.advproject.c.misc.dialect" value="com.crt.advproject.misc.dialect.gnu99" valueType="enumerated"/>
 								<inputType id="com.crt.advproject.compiler.input.1437445545" superClass="com.crt.advproject.compiler.input"/>
 							</tool>
 							<tool command="arm-none-eabi-gcc" commandLinePattern="${COMMAND} ${FLAGS} ${OUTPUT_FLAG} ${OUTPUT_PREFIX}${OUTPUT} ${INPUTS}" errorParsers="org.eclipse.cdt.core.GASErrorParser" id="com.crt.advproject.gas.exe.debug.968267033" name="MCU Assembler" superClass="com.crt.advproject.gas.exe.debug">