configure: Rename the shared heap segment to avoid a Mac OS linker bug with 16-char names.
diff --git a/configure.ac b/configure.ac
index 7f15375..eb276b6 100644
--- a/configure.ac
+++ b/configure.ac
@@ -580,7 +580,7 @@
     AC_SUBST(SECURITYLIB,"-framework Security -framework CoreFoundation")
     AC_SUBST(COREFOUNDATIONLIB,"-framework CoreFoundation")
     AC_SUBST(IOKITLIB,"-framework IOKit -framework CoreFoundation")
-    AC_SUBST(LDEXECFLAGS,["-image_base 0x7bf00000 -Wl,-segaddr,WINE_DOS,0x00000000,-segaddr,WINE_SHARED_HEAP,0x7f000000"])
+    AC_SUBST(LDEXECFLAGS,["-image_base 0x7bf00000 -Wl,-segaddr,WINE_DOS,0x00000000,-segaddr,WINE_SHAREDHEAP,0x7f000000"])
     if test "$ac_cv_header_DiskArbitration_DiskArbitration_h" = "yes"
     then
         dnl DiskArbitration API is not public on Darwin < 8.0, use it only if header found