build docs: fix PNG image from EPS illustration.

diff --git a/Documentation/pictures/GNUmakefile b/Documentation/pictures/GNUmakefile
index e1b45d275ec10bc2c67d2b0faa76592a3f62a997..0254c26d0ba2169265cce1dfd0ec9491a870a4c4 100644 (file)
--- a/Documentation/pictures/GNUmakefile
+++ b/Documentation/pictures/GNUmakefile
@@ -11,7 +11,7 @@ EXTRA_DIST_FILES = $(BITMAP_IMAGES) $(EPS_ILLUSTRATIONS) $(SVG_FILES)
 
 OUT_PDF_IMAGES = $(EPS_ILLUSTRATIONS:%.eps=$(outdir)/%.pdf)
 OUT_BITMAP_IMAGES = $(BITMAP_IMAGES:%=$(outdir)/%)
-OUT_BITMAP_IMAGES += $(EPS_ILLUSTRATIONS:%.pdf=$(outdir)/%.png)
+OUT_BITMAP_IMAGES += $(EPS_ILLUSTRATIONS:%.eps=$(outdir)/%.png)
 
 STEPMAKE_TEMPLATES = documentation