leak_test.c (main): Declare as int.

	* tests/leak_test.c (main): Declare as int.  Return 0.
	* tests/thread_leak_test.c (main): Ditto.
	* tests/trace_test.c (main): Ditto.

From-SVN: r159344

boehm-gc/ChangeLog

+2010-05-13  Uros Bizjak  <ubizjak@gmail.com>
+
+	* tests/leak_test.c (main): Declare as int.  Return 0.
+	* tests/thread_leak_test.c (main): Ditto.
+	* tests/trace_test.c (main): Ditto.
+
 2010-05-06  Dave Korn  <dave.korn.cygwin@gmail.com>
 
 	PR target/42811

boehm-gc/tests/leak_test.c

 #include "leak_detector.h"
 
-main() {
+int main() {
     int *p[10];
     int i;
     GC_find_leak = 1; /* for new collect versions not compiled  */
@@ -18,4 +18,5 @@ main() {
     CHECK_LEAKS();
     CHECK_LEAKS();
     CHECK_LEAKS();
+    return 0;
 }       

boehm-gc/tests/thread_leak_test.c

@@ -19,7 +19,7 @@ void * test(void * arg) {
 
 #define NTHREADS 5
 
-main() {
+int main() {
     int i;
     pthread_t t[NTHREADS];
     int code;
@@ -37,4 +37,5 @@ main() {
     CHECK_LEAKS();
     CHECK_LEAKS();
     CHECK_LEAKS();
+    return 0;
 }

boehm-gc/tests/trace_test.c

@@ -16,7 +16,7 @@ struct treenode * mktree(int i) {
   return r;
 }
 
-main()
+int main()
 {
   int i;
   for (i = 0; i < 10; ++i) {
@@ -26,4 +26,5 @@ main()
   GC_generate_random_backtrace();
   GC_generate_random_backtrace();
   GC_generate_random_backtrace();
+  return 0;
 }