test: Update fuzzer scripts to use latest afl

Issue:
afl-gcc has been deprecated in v4.30
afl-cc doesn't understand some lwip comile flags
afl-gcc-fast cannot be used to generate deps
Fix: Use afl-gcc-fast for compilation, afl-cc for deps
Note: Could use standard gcc for deps generation

Author: david-cermak

test/fuzz/Makefile

@@ -1,8 +1,8 @@
 #
 # Copyright (c) 2001, 2002 Swedish Institute of Computer Science.
-# All rights reserved. 
-# 
-# Redistribution and use in source and binary forms, with or without modification, 
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without modification,
 # are permitted provided that the following conditions are met:
 #
 # 1. Redistributions of source code must retain the above copyright notice,
@@ -11,29 +11,30 @@
 #    this list of conditions and the following disclaimer in the documentation
 #    and/or other materials provided with the distribution.
 # 3. The name of the author may not be used to endorse or promote products
-#    derived from this software without specific prior written permission. 
+#    derived from this software without specific prior written permission.
 #
-# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED 
-# WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 
-# MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT 
-# SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 
-# EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT 
-# OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 
-# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 
-# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 
-# IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY 
+# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
+# WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+# MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
+# SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+# EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
+# OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+# IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
 # OF SUCH DAMAGE.
 #
 # This file is part of the lwIP TCP/IP stack.
-# 
+#
 # Author: Adam Dunkels <[email protected]>
 #
 
 all compile: lwip_fuzz lwip_fuzz2 lwip_fuzz3
 .PHONY: all clean
 
 ifeq ($(origin CC), default)
-CC=afl-gcc
+CC=afl-gcc-fast
+CCDEP=afl-cc
 endif
 
 LDFLAGS=-lm