[PATCH 1/2] qemu: fix build with musl libc

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From: Carlos Santos <casantos@xxxxxxxxxx>

On musl libc "stderr" is a preprocessor macro whose expansion leads to
compilation errors:

In file included from qemu/qemu_process.c:66:
qemu/qemu_process.c: In function 'qemuProcessQMPFree':
qemu/qemu_process.c:8418:21: error: expected identifier before '(' token
     VIR_FREE((proc->stderr));
                     ^~~~~~

Prevent this by renaming the homonymous field in the _qemuProcessQMP
struct to "stdErr".

Signed-off-by: Carlos Santos <casantos@xxxxxxxxxx>
---
 src/qemu/qemu_process.c | 8 ++++----
 src/qemu/qemu_process.h | 2 +-
 2 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/src/qemu/qemu_process.c b/src/qemu/qemu_process.c
index 9c50c4a1d8..e7a8d74455 100644
--- a/src/qemu/qemu_process.c
+++ b/src/qemu/qemu_process.c
@@ -8448,7 +8448,7 @@ qemuProcessQMPFree(qemuProcessQMPPtr proc)
     VIR_FREE(proc->monpath);
     VIR_FREE(proc->monarg);
     VIR_FREE(proc->pidfile);
-    VIR_FREE(proc->stderr);
+    VIR_FREE(proc->stdErr);
     VIR_FREE(proc);
 }
 
@@ -8601,7 +8601,7 @@ qemuProcessQMPLaunch(qemuProcessQMPPtr proc)
     virCommandSetGID(proc->cmd, proc->runGid);
     virCommandSetUID(proc->cmd, proc->runUid);
 
-    virCommandSetErrorBuffer(proc->cmd, &(proc->stderr));
+    virCommandSetErrorBuffer(proc->cmd, &(proc->stdErr));
 
     if (virCommandRun(proc->cmd, &status) < 0)
         goto cleanup;
@@ -8611,7 +8611,7 @@ qemuProcessQMPLaunch(qemuProcessQMPPtr proc)
         virReportError(VIR_ERR_INTERNAL_ERROR,
                        _("Failed to start QEMU binary %s for probing: %s"),
                        proc->binary,
-                       proc->stderr ? proc->stderr : _("unknown error"));
+                       proc->stdErr ? proc->stdErr : _("unknown error"));
         goto cleanup;
     }
 
@@ -8690,7 +8690,7 @@ qemuProcessQMPConnectMonitor(qemuProcessQMPPtr proc)
  *   ** Send QMP Queries to QEMU using monitor (proc->mon) **
  *   qemuProcessQMPFree(proc);
  *
- * Process error output (proc->stderr) remains available in qemuProcessQMP
+ * Process error output (proc->stdErr) remains available in qemuProcessQMP
  * struct until qemuProcessQMPFree is called.
  */
 int
diff --git a/src/qemu/qemu_process.h b/src/qemu/qemu_process.h
index 1d62319092..9af9f967fd 100644
--- a/src/qemu/qemu_process.h
+++ b/src/qemu/qemu_process.h
@@ -212,7 +212,7 @@ struct _qemuProcessQMP {
     char *libDir;
     uid_t runUid;
     gid_t runGid;
-    char *stderr;
+    char *stdErr;
     char *monarg;
     char *monpath;
     char *pidfile;
-- 
2.18.1

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