Introduced /proc/sys/dev/sensors/chips file

See doc/sysctl for an explanation why it is needed.

Also fixed two very small cleanup bugs in lm75/lm78, which would probably be
impossible to trigger anyway, but still.


git-svn-id: http://lm-sensors.org/svn/lm-sensors/trunk@51 7894878c-1315-0410-8ee3-d5d059ff63e0

kernel/chips/lm75.c

@@ -331,8 +331,8 @@ int lm75_cleanup(void)
       printk("lm75.o: Driver deregistration failed, module not removed.\n");
       return res;
     }
-  } else
     lm75_initialized --;
+  }
 
   return 0;
 }

kernel/chips/lm78.c

@@ -878,9 +878,8 @@ int lm78_cleanup(void)
       printk("lm78.o: Driver deregistration failed, module not removed.\n");
       return res;
     }
-  } else
     lm78_initialized --;
-
+  }
   return 0;
 }