[lld][WebAssembly] Fix typo in error message

lld/test/wasm/undefined-data.ll

 ; RUN: llc -filetype=obj %s -o %t.o
 ; RUN: not wasm-ld -o %t.wasm %t.o 2>&1 | FileCheck %s -check-prefix=UNDEF
 ; RUN: not wasm-ld --allow-undefined -o %t.wasm %t.o 2>&1 | FileCheck %s -check-prefix=ALLOW
 ; RUN: not wasm-ld --shared -o %t.wasm %t.o 2>&1 | FileCheck %s -check-prefix=SHARED
 
 target triple = "wasm32-unknown-unknown"
 
 @data_external = external global i32
 
 define i32 @_start() {
 entry:
     %0 = load i32, i32* @data_external, align 4
     ret i32 %0
 }
 
-; UNDEF: undefined symbol: data_external
-; ALLOW: undefined-data.ll.tmp.o: cannot resolve relocation of type R_WASM_MEMORY_ADDR_LEB against undefined (non-weak) data symbol: data_external
-; SHARED: undefined-data.ll.tmp.o: relocation R_WASM_MEMORY_ADDR_LEB cannot be used againt symbol data_external; recompile with -fPIC
+; UNDEF: error: {{.*}}undefined-data.ll.tmp.o: undefined symbol: data_external
+; ALLOW: error: {{.*}}undefined-data.ll.tmp.o: cannot resolve relocation of type R_WASM_MEMORY_ADDR_LEB against undefined (non-weak) data symbol: data_external
+; SHARED: error: {{.*}}undefined-data.ll.tmp.o: relocation R_WASM_MEMORY_ADDR_LEB cannot be used against symbol data_external; recompile with -fPIC

lld/wasm/Relocations.cpp

for (const WasmRelocation &Reloc : Chunk->getRelocations()) {
     if (Config->Pic) {
       switch (Reloc.Type) {
       case R_WASM_TABLE_INDEX_SLEB:
       case R_WASM_MEMORY_ADDR_SLEB:
       case R_WASM_MEMORY_ADDR_LEB:
         // Certain relocation types can't be used when building PIC output,
         // since they would require absolute symbol addresses at link time.
         error(toString(File) + ": relocation " + relocTypeToString(Reloc.Type) +
-              " cannot be used againt symbol " + toString(*Sym) +
+              " cannot be used against symbol " + toString(*Sym) +
               "; recompile with -fPIC");
         break;
       case R_WASM_TABLE_INDEX_I32:
       case R_WASM_MEMORY_ADDR_I32:
         // These relocation types are only present in the data section and
         // will be converted into code by `generateRelocationCode`.  This code
         // requires the symbols to have GOT entires.
         if (requiresGOTAccess(Sym))
           Out.ImportSec->addGOTEntry(Sym);
         break;
       }
     }
   }
 }