wip: Fix COMPILER_PATH for virtual builds

Signed-off-by: Gergely Nagy <algernon@keyboard.io>

etc/kaleidoscope-builder.conf

@@ -19,11 +19,11 @@ fi
 
 if [ "${ARCH}" = "virtual" ]; then
     FQBN="${FQBN:-keyboardio:virtual:${BOARD}}"
-    
+
     # Set the compiler path for virtual builds
     #
     if [ -z "${COMPILER_PATH}" ]; then
-       COMPILER_PATH="/usr/bin"
+       COMPILER_PATH="/usr/bin/"
        COMPILER_PREFIX=""
     fi
 else