diff --git a/src/common/execio.h b/src/common/execio.h
--- a/src/common/execio.h
+++ b/src/common/execio.h
@@ -31,7 +31,7 @@ enum execio_state
     EXECIO_STATE_ERROR,
     EXECIO_STATE_EOF
   };
-  
+
 
 struct execio
 {
@@ -39,19 +39,19 @@ struct execio
   int pipe_read;
 
   enum execio_state state;
-  
+
   pid_t child;
 };
 
 /*
   runs progname with the arguments in argv. argv must be null terminated!!!!!!!!!
 
-  returns nonzsero return on error 
+  returns nonzero return on error
 */
 int execio_open(struct execio **rem, const char *progname, char *const argv[]);
 
-/* 
-   doesn't block, 
+/*
+   doesn't block,
    returns 0 on success, 1 on failure
 */
 int execio_read(struct execio *eio, void *buf, size_t len, size_t *bytesread);