Fix (harmless) typo in constant value

Signed-off-by: Matthijs Kooijman <[email protected]>

Author: matthijskooijman

src/arduino.cc/builder/constants/constants.go

@@ -81,7 +81,7 @@ const CTX_DEBUG_LEVEL = "debugLevel"
 const CTX_FIRST_FUNCTION_AT_LINE = "firstFunctionAtLine"
 const CTX_FQBN = "fqbn"
 const CTX_GCC_MINUS_E_SOURCE = "gccMinusESource"
-const CTX_GCC_MINUS_M_OUTPUT = "gccMinusMOutout"
+const CTX_GCC_MINUS_M_OUTPUT = "gccMinusMOutput"
 const CTX_HARDWARE_FOLDERS = "hardwareFolders"
 const CTX_HARDWARE = "hardware"
 const CTX_HEADER_TO_LIBRARIES = "headerToLibraries"