Fix support for "SystemVerilog"

Bug: Issue 10586
Change-Id: I2b262e61f1ef2b8bec62451ef701d26cc9a225bf
diff --git a/resources/com/google/gerrit/server/mime/mime-types.properties b/resources/com/google/gerrit/server/mime/mime-types.properties
index af5ba65..e4d478e 100644
--- a/resources/com/google/gerrit/server/mime/mime-types.properties
+++ b/resources/com/google/gerrit/server/mime/mime-types.properties
@@ -210,8 +210,8 @@
 ss = text/x-scheme
 st = text/x-stsrc
 stex = text/x-stex
-sv = x-systemverilog
-svh = x-systemverilog
+sv = text/x-systemverilog
+svh = text/x-systemverilog
 swift = text/x-swift
 tcl = text/x-tcl
 tex = text/x-latex