patch 8.2.3613: :find test fails

Problem:    :find test fails.
Solution:   Put length check inside if block.
diff --git a/src/findfile.c b/src/findfile.c
index b4aed04..4f457b9 100644
--- a/src/findfile.c
+++ b/src/findfile.c
@@ -1735,11 +1735,11 @@
     proc->pr_WindowPtr = (APTR)-1L;
 # endif
 
-    if (len == 0)
-	return NULL;
-
     if (first == TRUE)
     {
+	if (len == 0)
+	    return NULL;
+
 	// copy file name into NameBuff, expanding environment variables
 	save_char = ptr[len];
 	ptr[len] = NUL;
diff --git a/src/version.c b/src/version.c
index 197f019..4f0dac7 100644
--- a/src/version.c
+++ b/src/version.c
@@ -758,6 +758,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    3613,
+/**/
     3612,
 /**/
     3611,