revert to use of g_free to make future qemu integrations easier (#695)

* revert to use of g_free to make future qemu integrations easier

* bracing

qemu/target-i386/cpu.c

@@ -523,7 +523,7 @@ static ObjectClass *x86_cpu_class_by_name(struct uc_struct *uc, const char *cpu_
 
     typename = x86_cpu_type_name(cpu_model);
     oc = object_class_by_name(uc, typename);
-    free(typename);
+    g_free(typename);
     return oc;
 }
 
@@ -1756,7 +1756,7 @@ static void x86_register_cpudef_type(struct uc_struct *uc, X86CPUDefinition *def
     };
 
     type_register(uc, &ti);
-    free(typename);
+    g_free(typename);
 }
 
 #if !defined(CONFIG_USER_ONLY)

qemu/target-i386/helper.c

@@ -1112,7 +1112,7 @@ void do_cpu_init(X86CPU *cpu)
     memcpy(&env->start_init_save, &save->start_init_save,
            offsetof(CPUX86State, end_init_save) -
            offsetof(CPUX86State, start_init_save));
-    free(save);
+    g_free(save);
 
     apic_init_reset(env->uc, cpu->apic_state);
 }

qemu/target-i386/unicorn.c

@@ -29,21 +29,21 @@ void x86_release(void *ctx)
     release_common(ctx);
 
     // arch specific
-    free(s->cpu_A0);
-    free(s->cpu_T[0]);
-    free(s->cpu_T[1]);
-    free(s->cpu_tmp0);
-    free(s->cpu_tmp4);
-    free(s->cpu_cc_srcT);
-    free(s->cpu_cc_dst);
-    free(s->cpu_cc_src);
-    free(s->cpu_cc_src2);
+    g_free(s->cpu_A0);
+    g_free(s->cpu_T[0]);
+    g_free(s->cpu_T[1]);
+    g_free(s->cpu_tmp0);
+    g_free(s->cpu_tmp4);
+    g_free(s->cpu_cc_srcT);
+    g_free(s->cpu_cc_dst);
+    g_free(s->cpu_cc_src);
+    g_free(s->cpu_cc_src2);
 
     for (i = 0; i < CPU_NB_REGS; ++i) {
-        free(s->cpu_regs[i]);
+        g_free(s->cpu_regs[i]);
     }
 
-    free(s->tb_ctx.tbs);
+    g_free(s->tb_ctx.tbs);
 }
 
 void x86_reg_reset(struct uc_struct *uc)