decompressors: fix string typo 'bufer'

Signed-off-by: Paul Bolle <pebolle@xxxxxxxxxx>
Signed-off-by: Jan Beulich <jbeulich@xxxxxxxx>

--- a/xen/common/bunzip2.c
+++ b/xen/common/bunzip2.c
@@ -680,7 +680,7 @@ STATIC int INIT bunzip2(unsigned char *b
 		outbuf = malloc(BZIP2_IOBUF_SIZE);
 
 	if (!outbuf) {
-		error("Could not allocate output bufer");
+		error("Could not allocate output buffer");
 		return RETVAL_OUT_OF_MEMORY;
 	}
 	if (buf)
@@ -688,7 +688,7 @@ STATIC int INIT bunzip2(unsigned char *b
 	else
 		inbuf = malloc(BZIP2_IOBUF_SIZE);
 	if (!inbuf) {
-		error("Could not allocate input bufer");
+		error("Could not allocate input buffer");
 		i = RETVAL_OUT_OF_MEMORY;
 		goto exit_0;
 	}
--- a/xen/common/unlzma.c
+++ b/xen/common/unlzma.c
@@ -556,7 +556,7 @@ STATIC int INIT unlzma(unsigned char *bu
 	else
 		inbuf = malloc(LZMA_IOBUF_SIZE);
 	if (!inbuf) {
-		error("Could not allocate input bufer");
+		error("Could not allocate input buffer");
 		goto exit_0;
 	}