Should do "== 1" check.

Change-Id: I49aab50a9269f8f171972f5073e14037fc1ffd44
diff --git a/lib/bcc/Compiler.cpp b/lib/bcc/Compiler.cpp
index c011fd8..274f20b 100644
--- a/lib/bcc/Compiler.cpp
+++ b/lib/bcc/Compiler.cpp
@@ -268,7 +268,7 @@
 int Compiler::linkBC(const char *bitcode, size_t bitcodeSize) {
   llvm::OwningPtr<llvm::MemoryBuffer> MEM;
 
-  if (bitcodeSize = 1) {  // link against file
+  if (bitcodeSize == 1) {  // link against file
   } else if (bitcode == NULL || bitcodeSize <= 0) {
     LOGE("Invalid bitcode for linkBC\n");
     return 1;