[lasem] mathml: fix bogus implicit fallthroughs

[Emmanuel Pacaud <emmanuel src gnome org>]

commit 7d07325f0873f2f17fc0f4f4fbd5941dd49d3425
Author: Emmanuel Pacaud <emmanuel gnome org>
Date:   Fri May 24 10:18:24 2019 +0200

    mathml: fix bogus implicit fallthroughs

 src/lsmmathmlenums.c | 4 ++++
 1 file changed, 4 insertions(+)
---
diff --git a/src/lsmmathmlenums.c b/src/lsmmathmlenums.c
index ee73d0b..32b424e 100644
--- a/src/lsmmathmlenums.c
+++ b/src/lsmmathmlenums.c
@@ -240,6 +240,7 @@ lsm_mathml_variant_set_font_style (LsmMathmlVariant *variant, LsmMathmlFontStyle
                                case LSM_MATHML_VARIANT_ERROR:
                                        return;
                        }
+                       break;
                case LSM_MATHML_FONT_WEIGHT_NORMAL:
                        switch (*variant) {
                                case LSM_MATHML_VARIANT_ITALIC:
@@ -267,6 +268,7 @@ lsm_mathml_variant_set_font_style (LsmMathmlVariant *variant, LsmMathmlFontStyle
                                case LSM_MATHML_VARIANT_ERROR:
                                        return;
                        }
+                       break;
                default:
                        return;
        }
@@ -310,6 +312,7 @@ lsm_mathml_variant_set_font_weight (LsmMathmlVariant *variant, LsmMathmlFontWeig
                                case LSM_MATHML_VARIANT_ERROR:
                                        return;
                        }
+                       break;
                case LSM_MATHML_FONT_WEIGHT_NORMAL:
                        switch (*variant) {
                                case LSM_MATHML_VARIANT_BOLD:
@@ -341,6 +344,7 @@ lsm_mathml_variant_set_font_weight (LsmMathmlVariant *variant, LsmMathmlFontWeig
                                case LSM_MATHML_VARIANT_ERROR:
                                        return;
                        }
+                       break;
                default:
                        return;
        }