Add newline

Author: multiplemonomials

tools/cmake/app.cmake

@@ -22,4 +22,4 @@ enable_language(C CXX ASM)
 
 # set executable suffix (has to be done after enabling languages)
 # Note: This is nice to have, but is also required because STM32Cube will only work on files with a .elf extension
-set(CMAKE_EXECUTABLE_SUFFIX .elf)
+set(CMAKE_EXECUTABLE_SUFFIX .elf)