cleanup two c tests that were causing clang warnings

Summary: public
This caused scary red output in buck.

Reviewed By: akotulski

Differential Revision: D2652135

fb-gh-sync-id: 52d6e7e

infer/tests/codetoanalyze/c/errors/arithmetic/array_out_of_bounds.c

@@ -7,17 +7,23 @@
 * of patent rights can be found in the PATENTS file in the same directory.
 */
 
+#pragma clang diagnostic push
+#pragma clang diagnostic ignored "-Warray-bounds"
 void bound_error() {
   int a[7];
   a[7] = 4;
 }
+#pragma clang diagnostic pop
 
 void nested_array_ok() {
   int a[3][4][5];
   a[2][3][4] = 0;
 }
 
+#pragma clang diagnostic push
+#pragma clang diagnostic ignored "-Warray-bounds"
 void bound_error_nested() {
   int a[3][4][5];
   a[4][3][2] = 0;
 }
+#pragma clang diagnostic pop

infer/tests/codetoanalyze/c/errors/dangling_deref/dpd.c

@@ -1,41 +1,39 @@
+/*
+* Copyright (c) 2015 - present Facebook, Inc.
+* All rights reserved.
+*
+* This source code is licensed under the BSD style license found in the
+* LICENSE file in the root directory of this source tree. An additional grant
+* of patent rights can be found in the PATENTS file in the same directory.
+*/
+
 #include <stdio.h>
 #include <stdlib.h>
 
 int *set42(int* x) {
-    
     *x = 42;
     return x;
 }
 
 void nodpd () {
-    
-    int w,z;
-    
+    int w,*z;
     z = set42(&w);
-    
 }
 
 void nodpd1 () {
-    
     int *y = malloc(sizeof(int));
     int *z;
     z = set42(y);
     free(y);
-    
 }
 
-
-
 void dpd () {
-    
     int *y;
     int *z;
     z = set42(y);
 }
 
-
 void intraprocdpd () {
-    
     int *y;
     int *z;
     *y = 42;

infer/tests/codetoanalyze/c/errors/null_dereference/angelism.c

@@ -32,6 +32,9 @@ struct delicious *skip_function_with_no_spec(void) {
 }
 
 extern struct delicious *bakery(struct delicious **cake);
+extern struct delicious *bakery2(struct delicious **cake,
+                                 struct delicious **pie);
+extern struct delicious *returnPassByRef();
 
 struct delicious *skip_external_function(void) {
   struct delicious *cake = NULL;