Fix build for older versions of Clang

* Conditionalise ignoring misleading-indentation to only be for Clang 10+
  since that is when that warning was first introduced.

make/hotspot/lib/CompileJvm.gmk

@@ -91,7 +91,11 @@ DISABLED_WARNINGS_clang := tautological-compare \
     undefined-var-template sometimes-uninitialized unknown-pragmas \
     delete-non-virtual-dtor missing-braces char-subscripts \
     ignored-qualifiers missing-field-initializers mismatched-tags \
-    unnamed-type-template-args misleading-indentation
+    unnamed-type-template-args
+
+ifneq (,$(filter 1%,$(CC_VERSION_NUMBER)))
+  DISABLED_WARNINGS_clang += misleading-indentation
+endif
 
 DISABLED_WARNINGS_solstudio := labelnotused hidef w_novirtualdescr inlafteruse \
     unknownpragma doubunder w_enumnotused w_toomanyenumnotused \