Fix sparse warnings for using 0 instead of NULL

RA8.c:50:17: warning: Using plain integer as NULL pointer
RA16.c:50:16: warning: Using plain integer as NULL pointer
RA32.c:50:16: warning: Using plain integer as NULL pointer
RAofA8.c:50:16: warning: Using plain integer as NULL pointer

4 files changed, 4 insertions, 4 deletions

diff --git a/RA16.c b/RA16.c
index cdaaa22..0a279a4 100644
--- a/RA16.c
+++ b/RA16.c
@@ -47,7 +47,7 @@ XdmcpReadARRAY16 (buffer, array)
 	/* Must set array->data to NULL to guarantee safe call of
  	 * XdmcpDisposeARRAY*(array) (which calls Xfree(array->data));
          * see defect 7329 */
-	array->data = 0;
+	array->data = NULL;
 	return FALSE;
     }
     if (!array->length)
diff --git a/RA32.c b/RA32.c
index 09f72da..9baa285 100644
--- a/RA32.c
+++ b/RA32.c
@@ -47,7 +47,7 @@ XdmcpReadARRAY32 (buffer, array)
 	/* Must set array->data to NULL to guarantee safe call of
  	 * XdmcpDisposeARRAY*(array) (which calls Xfree(array->data));
          * see defect 7329 */
-	array->data = 0;
+	array->data = NULL;
 	return FALSE;
     }
     if (!array->length)
diff --git a/RA8.c b/RA8.c
index eee3c6b..2b8b962 100644
--- a/RA8.c
+++ b/RA8.c
@@ -47,7 +47,7 @@ XdmcpReadARRAY8 (buffer, array)
 	/* Must set array->data to NULL to guarantee safe call of
  	 * XdmcpDisposeARRAY*(array) (which calls Xfree(array->data));
          * see defect 7329 */
- 	array->data = 0;
+ 	array->data = NULL;
 	return FALSE;
     }
     if (!array->length)
diff --git a/RAofA8.c b/RAofA8.c
index 568236c..d751e99 100644
--- a/RAofA8.c
+++ b/RAofA8.c
@@ -47,7 +47,7 @@ XdmcpReadARRAYofARRAY8 (buffer, array)
 	/* Must set array->data to NULL to guarantee safe call of
  	 * XdmcpDisposeARRAY*(array) (which calls Xfree(array->data));
          * see defect 7329 */
-	array->data = 0;
+	array->data = NULL;
 	return FALSE;
     }
     if (!array->length)