From Pierre Riteau. Thanks!
@@ -49,9 +49,9 @@ u_exec(char *argstr)
char *tmp;
while (ap < end && (*ap = strsep(&argstr, " \t")) != NULL) {
if(**ap == '\0')
if (**ap == '\0')
continue;
ap++;
if (argstr != NULL) {
/* deal with quoted strings */
switch(argstr[0]) {
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