pr_err: add \n where we miss them

Except for several false positives done by:
find -type f -name "*.c" -not -path "./test/*" -exec sed -i
's/\(\<pr_err.*[^\][^n]\)\("[,)]\)/\1\\n\2/g' {} \;
Signed-off-by: Pavel Tikhomirov <ptikhomirov@virtuozzo.com>
Signed-off-by: Andrei Vagin <avagin@virtuozzo.com>

compel/arch/s390/src/lib/cpu.c

@@ -25,7 +25,7 @@ int compel_cpuid(compel_cpuinfo_t *info)
 	info->hwcap[1] = getauxval(AT_HWCAP2);
 
 	if (!info->hwcap[0]) {
-		pr_err("Can't read the hardware capabilities");
+		pr_err("Can't read the hardware capabilities\n");
 		return -1;
 	}
 

criu/arch/s390/cpu.c

@@ -103,7 +103,7 @@ int cpu_validate_cpuinfo(void)
 		goto error;
 
 	if (cpu_info->n_s390_entry != 1) {
-		pr_err("No S390 related entry in image");
+		pr_err("No S390 related entry in image\n");
 		goto error;
 	}
 	cpu_s390_entry = cpu_info->s390_entry[0];

criu/arch/x86/crtools.c

@@ -59,7 +59,7 @@ int kdat_can_map_vdso(void)
 	}
 
 	if (waitpid(child, &stat, 0) != child) {
-		pr_err("Failed to wait for arch_prctl() test");
+		pr_err("Failed to wait for arch_prctl() test\n");
 		kill(child, SIGKILL);
 		return -1;
 	}
@@ -154,7 +154,7 @@ static int has_32bit_mmap_bug(void)
 		mmap_bug_test();
 
 	if (waitpid(child, &stat, 0) != child) {
-		pr_err("Failed to wait for mmap test");
+		pr_err("Failed to wait for mmap test\n");
 		kill(child, SIGKILL);
 		return -1;
 	}

criu/page-xfer.c

@@ -222,7 +222,7 @@ static int write_pages_loc(struct page_xfer *xfer,
 			return -1;
 		}
 		if (ret == 0) {
-			pr_err("A pipe was closed unexpectedly");
+			pr_err("A pipe was closed unexpectedly\n");
 			return -1;
 		}
 		curr += ret;
@@ -682,7 +682,7 @@ static int page_server_add(int sk, struct page_server_iov *pi, u32 flags)
 			return -1;
 		}
 		if (chunk == 0) {
-			pr_err("A socket was closed unexpectedly");
+			pr_err("A socket was closed unexpectedly\n");
 			return -1;
 		}