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Diffstat (limited to 'converter/pbm/cmuwmtopbm.c')
-rw-r--r--converter/pbm/cmuwmtopbm.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/converter/pbm/cmuwmtopbm.c b/converter/pbm/cmuwmtopbm.c
index dce1d449..53c64aaa 100644
--- a/converter/pbm/cmuwmtopbm.c
+++ b/converter/pbm/cmuwmtopbm.c
@@ -78,7 +78,7 @@ getinit( file, colsP, rowsP, depthP, padrightP )
 
     if ( pm_readbiglong( file, &l ) == -1 )
 	pm_error( "EOF / read error" );
-    if ( l != CMUWM_MAGIC )
+    if ( (uint32_t)l != CMUWM_MAGIC )
 	pm_error( "bad magic number in CMU window manager file" );
     if ( pm_readbiglong( file, &l ) == -1 )
 	pm_error( "EOF / read error" );