ieee754io: fix unintialized l_fp return on NAN, +INF, -INF, etc.

libparse/ieee754io.c

@@ -155,6 +155,9 @@ fetch_ieee754(
   unsigned char val;
   int fieldindex = 0;
   
+
+  *lfpp = 0;           /* return zero for all errors: NAN, +INF, -INF, etc. */
+
   switch (size)
     {
     case IEEE_DOUBLE:
@@ -279,8 +282,6 @@ fetch_ieee754(
        * collect real numbers
        */
 
-      *lfpp = 0;
-
       /*
        * check for overflows
        */