patch 8.0.1524: compiler warnings for uninitialized variables

Problem:    Compiler warnings for uninitialized variables. (Tony Mechelynck)
Solution:   Initialize variables.
diff --git a/src/terminal.c b/src/terminal.c
index bcdc700..0f9aa86 100644
--- a/src/terminal.c
+++ b/src/terminal.c
@@ -3277,9 +3277,9 @@
     char_u	buf1[NUMBUFLEN];
     char_u	buf2[NUMBUFLEN];
     char_u	*fname1;
-    char_u	*fname2;
+    char_u	*fname2 = NULL;
     FILE	*fd1;
-    FILE	*fd2;
+    FILE	*fd2 = NULL;
     char_u	*textline = NULL;
 
     /* First open the files.  If this fails bail out. */
@@ -3460,7 +3460,7 @@
 theend:
     vim_free(textline);
     fclose(fd1);
-    if (do_diff)
+    if (fd2 != NULL)
 	fclose(fd2);
 }
 
diff --git a/src/version.c b/src/version.c
index 11c5133..78b8431 100644
--- a/src/version.c
+++ b/src/version.c
@@ -772,6 +772,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1524,
+/**/
     1523,
 /**/
     1522,