Review: Fix missing -o

Author: jmmartinez

test/transcoding/addrspace_global_annotations.ll

@@ -2,7 +2,7 @@
 ;   Assertion `C->getType() == Ty->getElementType() && "Wrong type in array element initializer"' failed
 ; It also verifies that all the different address spaces were casted to the "common" one.
 
-; RUN: llvm-spirv %s --spirv-ext=+SPV_INTEL_fpga_memory_attributes
+; RUN: llvm-spirv %s --spirv-ext=+SPV_INTEL_fpga_memory_attributes -o %t.spv
 ; RUN: spirv-val %t.spv
 ; RUN: llvm-spirv -r %t.spv -o %t.rev.bc
 ; RUN: llvm-dis %t.rev.bc