Made MSG_UNHANDLED_TYPE_IN_CONTEXT easier to understand

Signed-off-by: Federico Fissore <[email protected]>

Author: Federico Fissore

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

@@ -207,7 +207,7 @@ const MSG_RUNNING_COMMAND = "Running: {0}"
 const MSG_RUNNING_RECIPE = "Running recipe: {0}"
 const MSG_SETTING_BUILD_PATH = "Setting build path to {0}"
 const MSG_SKETCH_CANT_BE_IN_BUILDPATH = "Sketch cannot be located in build path. Please specify a different build path"
-const MSG_UNHANDLED_TYPE_IN_CONTEXT = "Unhandled type {0} in context {1} key"
+const MSG_UNHANDLED_TYPE_IN_CONTEXT = "Unhandled type {0} in context key {1}"
 const MSG_UNKNOWN_SKETCH_EXT = "Unknown sketch file extension: {0}"
 const MSG_USING_LIBRARY_AT_VERSION = "Using library {0} at version {1} in folder: {2} {3}"
 const MSG_USING_LIBRARY = "Using library {0} in folder: {1} {2}"