Index: ext/libicpf/src/libicpf/callback.h
===================================================================
diff -u -N -re31dc31ccf2010abee81ddc399d65b57e4803278 -re23fa343ecbb7479eff916bd2e52086864499b6c
--- ext/libicpf/src/libicpf/callback.h	(.../callback.h)	(revision e31dc31ccf2010abee81ddc399d65b57e4803278)
+++ ext/libicpf/src/libicpf/callback.h	(.../callback.h)	(revision e23fa343ecbb7479eff916bd2e52086864499b6c)
@@ -32,9 +32,9 @@
 
 /// General function definition
 #ifdef _WIN32
-    typedef void(__stdcall *PFNFUNC)(void);
+	typedef void(__stdcall *PFNFUNC)(void);
 #else
-    typedef void(*PFNFUNC)(void);
+	typedef void(*PFNFUNC)(void);
 #endif 
 
 /// Helper structure for callback class