[Fencommits] fenfire-hs: fix warnings

[Benja Fallenstein]

Sun Mar 11 17:01:35 EET 2007  Benja Fallenstein <benja.fallenstein at gmail.com>
  * fix warnings
diff -rN -u old-fenfire-hs/Latex2Png.hs new-fenfire-hs/Latex2Png.hs
--- old-fenfire-hs/Latex2Png.hs	2007-03-11 17:01:58.000000000 +0200
+++ new-fenfire-hs/Latex2Png.hs	2007-03-11 17:01:58.000000000 +0200
@@ -49,9 +49,9 @@
     let latexFile = "latex2png-temp"
     writeFile (latexFile++".tex") $ latex code
     -- FIXME set environment variables necessary for security, use rlimit
-    ret1 <- rawSystem "latex" ["--interaction=nonstopmode", latexFile++".tex"]
+    rawSystem "latex" ["--interaction=nonstopmode", latexFile++".tex"]
     
-    ret2 <- rawSystem "dvipng" ["-bgTransparent", "-Ttight", "", "--noghostscript", "-l1", latexFile++".dvi"]
+    rawSystem "dvipng" ["-bgTransparent", "-Ttight", "", "--noghostscript", "-l1", latexFile++".dvi"]
 
     let resultname = latexFile++"1.png"