[Minor] Oops, fix logic

contrib/fpconv/fpconv.c

@@ -220,7 +220,7 @@ static int emit_digits(char* digits, int ndigits, char* dest, int K, bool neg,
     }
 
     /* write decimal w/o scientific notation */
-    if(scientific && (K < 0 && (K > -7 || exp < 4))) {
+    if(!scientific || (K < 0 && (K > -7 || exp < 4))) {
         int offset = ndigits - absv(K);
         /* fp < 1.0 -> write leading zero */
         if(offset <= 0) {