[PATCH] Configure: fix build with -Werror=old-style-definition

[Piotr Sikora]

# HG changeset patch
# User Piotr Sikora <piotrsikora at google.com>
# Date 1467064805 25200
#      Mon Jun 27 15:00:05 2016 -0700
# Node ID 3ba6126630ceec0767e70b88be1a004d82e2c27e
# Parent  d452cb27639f714bc43b7f3ede417e3e7f8efdd6
Configure: fix build with -Werror=old-style-definition.

Signed-off-by: Piotr Sikora <piotrsikora at google.com>

diff -r d452cb27639f -r 3ba6126630ce auto/cc/sunc
--- a/auto/cc/sunc
+++ b/auto/cc/sunc
@@ -20,7 +20,10 @@ have=NGX_COMPILER value="\"Sun C $NGX_SU
 
 cat << END > $NGX_AUTOTEST.c
 
-int main() { printf("%d", __SUNPRO_C); }
+int main(void) {
+    printf("%d", __SUNPRO_C);
+    return 0;
+}
 
 END
 
diff -r d452cb27639f -r 3ba6126630ce auto/endianness
--- a/auto/endianness
+++ b/auto/endianness
@@ -15,7 +15,7 @@ END
 
 cat << END > $NGX_AUTOTEST.c
 
-int main() {
+int main(void) {
     int i = 0x11223344;
     char *p;
 
diff -r d452cb27639f -r 3ba6126630ce auto/feature
--- a/auto/feature
+++ b/auto/feature
@@ -31,7 +31,7 @@ cat << END > $NGX_AUTOTEST.c
 $NGX_INCLUDE_UNISTD_H
 $ngx_feature_incs
 
-int main() {
+int main(void) {
     $ngx_feature_test;
     return 0;
 }
diff -r d452cb27639f -r 3ba6126630ce auto/include
--- a/auto/include
+++ b/auto/include
@@ -20,7 +20,7 @@ cat << END > $NGX_AUTOTEST.c
 $NGX_INCLUDE_SYS_PARAM_H
 #include <$ngx_include>
 
-int main() {
+int main(void) {
     return 0;
 }
 
diff -r d452cb27639f -r 3ba6126630ce auto/types/sizeof
--- a/auto/types/sizeof
+++ b/auto/types/sizeof
@@ -25,7 +25,7 @@ cat << END > $NGX_AUTOTEST.c
 $NGX_INCLUDE_INTTYPES_H
 $NGX_INCLUDE_AUTO_CONFIG_H
 
-int main() {
+int main(void) {
     printf("%d", (int) sizeof($ngx_type));
     return 0;
 }
diff -r d452cb27639f -r 3ba6126630ce auto/types/typedef
--- a/auto/types/typedef
+++ b/auto/types/typedef
@@ -27,7 +27,7 @@ do
 #include <netinet/in.h>
 $NGX_INCLUDE_INTTYPES_H
 
-int main() {
+int main(void) {
     $ngx_try i = 0;
     return (int) i;
 }
diff -r d452cb27639f -r 3ba6126630ce auto/types/uintptr_t
--- a/auto/types/uintptr_t
+++ b/auto/types/uintptr_t
@@ -19,7 +19,7 @@ cat << END > $NGX_AUTOTEST.c
 #include <sys/types.h>
 $NGX_INTTYPES_H
 
-int main() {
+int main(void) {
     uintptr_t i = 0;
     return (int) i;
 }