patch 7.4.1927
Problem:    Compiler warning for signed/unsigned.
Solution:   Add type cast.
diff --git a/src/if_mzsch.c b/src/if_mzsch.c
index 51b0352..645548f 100644
--- a/src/if_mzsch.c
+++ b/src/if_mzsch.c
@@ -1174,10 +1174,10 @@
 	MZ_GC_VAR_IN_REG(0, config_path);
 	MZ_GC_REG();
 	/* workaround for dynamic loading on windows */
-	s = vim_getenv("PLTCONFIGDIR", &mustfree);
+	s = vim_getenv((char_u *)"PLTCONFIGDIR", &mustfree);
 	if (s != NULL)
 	{
-	    config_path = scheme_make_path(s);
+	    config_path = scheme_make_path((char *)s);
 	    MZ_GC_CHECK();
 	    if (mustfree)
 		vim_free(s);
diff --git a/src/version.c b/src/version.c
index 4f5b5a3..1323fb7 100644
--- a/src/version.c
+++ b/src/version.c
@@ -754,6 +754,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1927,
+/**/
     1926,
 /**/
     1925,