findsubckt(), move k_ptr-- to the front of the next loop

src/frontend/numparam/xpressn.c

@@ -558,10 +558,10 @@ findsubckt(dico_t *dico, const char * const s)
 
     while ((k_ptr - 1 >= s) && (*(k_ptr-1) <= ' '))
         k_ptr--;
-    k_ptr--;
 
-    j_ptr = k_ptr;
+    j_ptr = k_ptr - 1;
 
+    k_ptr--;
     while ((k_ptr >= s) && (*k_ptr > ' '))
         k_ptr--;