Section relative fixups are a coff concept, not a x86 one. Replace the
x86 specific reloc_coff_secrel32 with a generic FK_SecRel_4.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@147252 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/MC/MCAsmBackend.cpp b/lib/MC/MCAsmBackend.cpp
index 936ed55..51c3977 100644
--- a/lib/MC/MCAsmBackend.cpp
+++ b/lib/MC/MCAsmBackend.cpp
@@ -32,7 +32,11 @@
     { "FK_GPRel_1", 0,  8, 0 },
     { "FK_GPRel_2", 0, 16, 0 },
     { "FK_GPRel_4", 0, 32, 0 },
-    { "FK_GPRel_8", 0, 64, 0 }
+    { "FK_GPRel_8", 0, 64, 0 },
+    { "FK_SecRel_1", 0,  8, 0 },
+    { "FK_SecRel_2", 0, 16, 0 },
+    { "FK_SecRel_4", 0, 32, 0 },
+    { "FK_SecRel_8", 0, 64, 0 }
   };
   
   assert((size_t)Kind <= sizeof(Builtins) / sizeof(Builtins[0]) &&