Merge pull request #3026 from est31/fix_win_build

Fix windows build

drivers/unix/SCsub

@@ -1,11 +1,13 @@
 Import('env')
 
-ed_gl_set='#include "os_unix.h"\n'
-ed_gl_set+='String OS_Unix::get_global_settings_path() const {\n'
-ed_gl_set+='\treturn "' + env["unix_global_settings_path"]+'";\n'
-ed_gl_set+='}\n'
+g_set_p='#ifdef UNIX_ENABLED\n'
+g_set_p+='#include "os_unix.h"\n'
+g_set_p+='String OS_Unix::get_global_settings_path() const {\n'
+g_set_p+='\treturn "' + env["unix_global_settings_path"]+'";\n'
+g_set_p+='}\n'
+g_set_p+='#endif'
 f = open("os_unix_global_settings_path.cpp","wb")
-f.write(ed_gl_set)
+f.write(g_set_p)
 f.close()
 
 env.add_source_files(env.drivers_sources,"*.cpp")