Merge pull request #684 from uzi18/fix-683

- fix for issue #683

Author: jantje

io.sloeber.core/src/io/sloeber/core/tools/Helpers.java

@@ -584,7 +584,7 @@ private static void setTheEnvironmentVariablesAddAFile(String prefix, IContribut
 					String var[] = realData[0].split("=", 2); // look
 					// for assignment
 					if (var.length == 2) {
-						String value = var[1];
+						String value = var[1].trim();
 						if (value.contains(BUILD_PATH_SYSCALLS_SAM3)) {
 							value = value.replace(BUILD_PATH_SYSCALLS_SAM3, BUILD_PATH_ARDUINO_SYSCALLS_SAM3);
 						} else if (value.contains(BUILD_PATH_SYSCALLS_MTK)) {