Prepend spl_ to all init/fini functions

This is a bit of cleanup I'd been meaning to get to for a while
to reduce the chance of a type conflict.  Well that conflict
finally occurred with the kstat_init() function which conflicts
with a function in the 2.6.32-6-pve kernel.

Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Closes #56

include/linux/proc_compat.h

@@ -47,7 +47,7 @@ struct proc_dir_entry *proc_dir_entry_find(struct proc_dir_entry *root,
 					   const char *str);
 int proc_dir_entries(struct proc_dir_entry *root);
 
-int proc_init(void);
-void proc_fini(void);
+int spl_proc_init(void);
+void spl_proc_fini(void);
 
 #endif /* SPL_PROC_H */

include/spl-debug.h

@@ -186,7 +186,7 @@ extern void spl_debug_dumpstack(struct task_struct *tsk);
 extern int spl_debug_clear_buffer(void);
 extern int spl_debug_mark_buffer(char *text);
 
-int debug_init(void);
-void debug_fini(void);
+int spl_debug_init(void);
+void spl_debug_fini(void);
 
 #endif /* SPL_DEBUG_INTERNAL_H */

include/sys/kstat.h

@@ -146,8 +146,8 @@ typedef struct kstat_timer {
         hrtime_t     stop_time;            /* previous event stop time */
 } kstat_timer_t;
 
-int kstat_init(void);
-void kstat_fini(void);
+int spl_kstat_init(void);
+void spl_kstat_fini(void);
 
 extern kstat_t *__kstat_create(const char *ks_module, int ks_instance,
 			     const char *ks_name, const char *ks_class,

include/sys/tsd.h

@@ -39,7 +39,7 @@ extern void tsd_create(uint_t *, dtor_func_t);
 extern void tsd_destroy(uint_t *);
 extern void tsd_exit(void);
 
-int tsd_init(void);
-void tsd_fini(void);
+int spl_tsd_init(void);
+void spl_tsd_fini(void);
 
 #endif /* _SPL_TSD_H */

include/sys/zmod.h

@@ -63,7 +63,7 @@ extern int z_compress_level(void *dest, size_t *destLen, const void *source,
 extern int z_uncompress(void *dest, size_t *destLen, const void *source,
     size_t sourceLen);
 
-int zlib_init(void);
-void zlib_fini(void);
+int spl_zlib_init(void);
+void spl_zlib_fini(void);
 
 #endif /* SPL_ZMOD_H */