Fix compilation error on 32-bit linux

platform/x11/detect.py

@@ -123,7 +123,7 @@ def configure(env):
 	if (is64 and env["bits"]=="32"):
 		env.Append(CPPFLAGS=['-m32'])
 		env.Append(LINKFLAGS=['-m32','-L/usr/lib/i386-linux-gnu'])
-	elif (not is64 and env["bits"]=="32"):
+	elif (not is64 and env["bits"]=="64"):
 		env.Append(CPPFLAGS=['-m64'])
 		env.Append(LINKFLAGS=['-m64','-L/usr/lib/i686-linux-gnu'])