fix patch, use unix endings

Signed-off-by: crueter <crueter@crueter.xyz>

.patch/boost/0003-armasm-options.patch

@@ -1,12 +1,12 @@
 diff --git a/libs/context/CMakeLists.txt b/libs/context/CMakeLists.txt
-index d6be702..0e59dd7 100644
+index 8210f65..0e59dd7 100644
 --- a/libs/context/CMakeLists.txt
 +++ b/libs/context/CMakeLists.txt
 @@ -186,7 +186,8 @@ if(BOOST_CONTEXT_IMPLEMENTATION STREQUAL "fcontext")
        set_property(SOURCE ${ASM_SOURCES} APPEND PROPERTY COMPILE_OPTIONS "/safeseh")
      endif()
  
--  elseif() # masm
+-  else() # masm
 +  # armasm doesn't support most of these options
 +  elseif(NOT BOOST_CONTEXT_ASSEMBLER STREQUAL armasm) # masm
      if(CMAKE_CXX_COMPILER_ID STREQUAL "GNU")