Fixing a flaky Linux exploitability unittest.

src/processor/exploitability_linux.h

Index: src/processor/exploitability_linux.h
diff --git a/src/processor/exploitability_linux.h b/src/processor/exploitability_linux.h
index 93c5082fb3c26398cacbd17c1c8a65bf667579e1..e3ff13b6e07da325316639bf55739432c01381b1 100644
--- a/src/processor/exploitability_linux.h
+++ b/src/processor/exploitability_linux.h
@@ -86,6 +86,13 @@ class ExploitabilityLinux : public Exploitability {
                                const unsigned int MAX_OBJDUMP_BUFFER_LEN,
                                char *objdump_output_buffer);
 
+  // Parses the objdump output given in |objdump_output_buffer| and extracts
+  // the line of the first instruction into |instruction_line|.  Returns true
+  // when the instruction line is successfully extracted.
+  static bool GetObjdumpInstructionLine(
+      const char *objdump_output_buffer,
+      string *instruction_line);
+
   // Tokenizes out the operation and operands from a line of instruction
   // disassembled by objdump. This method modifies the pointers to match the
   // tokens of the instruction, and returns if the tokenizing was a success.