patch 8.2.1507: using malloc() directly

Problem:    Using malloc() directly.
Solution:   Use ALLOC_ONE().  Remove superfluous typecast.  (Hussam al-Homsi,
            closes #6768)
diff --git a/src/eval.c b/src/eval.c
index cc044a4..4b1e0f1 100644
--- a/src/eval.c
+++ b/src/eval.c
@@ -4352,7 +4352,8 @@
 	    }
 	    else
 	    {
-		ht_stack_T *newitem = (ht_stack_T*)malloc(sizeof(ht_stack_T));
+		ht_stack_T *newitem = ALLOC_ONE(ht_stack_T);
+
 		if (newitem == NULL)
 		    abort = TRUE;
 		else
@@ -4378,8 +4379,8 @@
 	    }
 	    else
 	    {
-		list_stack_T *newitem = (list_stack_T*)malloc(
-							sizeof(list_stack_T));
+		list_stack_T *newitem = ALLOC_ONE(list_stack_T);
+
 		if (newitem == NULL)
 		    abort = TRUE;
 		else
diff --git a/src/memline.c b/src/memline.c
index 084a8b0..1c594d4 100644
--- a/src/memline.c
+++ b/src/memline.c
@@ -5448,8 +5448,7 @@
 	    chunksize_T *t_chunksize = buf->b_ml.ml_chunksize;
 
 	    buf->b_ml.ml_numchunks = buf->b_ml.ml_numchunks * 3 / 2;
-	    buf->b_ml.ml_chunksize = (chunksize_T *)
-		vim_realloc(buf->b_ml.ml_chunksize,
+	    buf->b_ml.ml_chunksize = vim_realloc(buf->b_ml.ml_chunksize,
 			    sizeof(chunksize_T) * buf->b_ml.ml_numchunks);
 	    if (buf->b_ml.ml_chunksize == NULL)
 	    {
diff --git a/src/version.c b/src/version.c
index 575f343..bb1624f 100644
--- a/src/version.c
+++ b/src/version.c
@@ -755,6 +755,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1507,
+/**/
     1506,
 /**/
     1505,
diff --git a/src/vimrun.c b/src/vimrun.c
index 26c4aa4..9a4c076 100644
--- a/src/vimrun.c
+++ b/src/vimrun.c
@@ -77,7 +77,7 @@
     if (cmdlen >= 2 && p[0] == L'"' && p[cmdlen - 1] == L'"')
     {
 	cmdlen += 3;
-	cmd = (wchar_t *)malloc(cmdlen * sizeof(wchar_t));
+	cmd = malloc(cmdlen * sizeof(wchar_t));
 	if (cmd == NULL)
 	{
 	    perror("vimrun malloc(): ");